20661758460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{20731}}^1$

素因数の和:20873

約数の個数: 216

約数和(自身を含む): 73555228656

約数和(自身を除く): 52893470196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 113, 126, 140, 147, 180, 196, 210, 226, 245, 252, 294, 315, 339, 420, 441, 452, 490, 565, 588, 630, 678, 735, 791, 882, 980, 1017, 1130, 1260, 1356, 1470, 1582, 1695, 1764, 2034, 2205, 2260, 2373, 2940, 3164, 3390, 3955, 4068, 4410, 4746, 5085, 5537, 6780, 7119, 7910, 8820, 9492, 10170, 11074, 11865, 14238, 15820, 16611, 20340, 20731, 22148, 23730, 27685, 28476, 33222, 35595, 41462, 47460, 49833, 55370, 62193, 66444, 71190, 82924, 83055, 99666, 103655, 110740, 124386, 142380, 145117, 166110, 186579, 199332, 207310, 248772, 249165, 290234, 310965, 332220, 373158, 414620, 435351, 498330, 580468, 621930, 725585, 746316, 870702, 932895, 996660, 1015819, 1243860, 1306053, 1451170, 1741404, 1865790, 2031638, 2176755, 2342603, 2612106, 2902340, 3047457, 3731580, 4063276, 4353510, 4685206, 5079095, 5224212, 6094914, 6530265, 7027809, 8707020, 9142371, 9370412, 10158190, 11713015, 12189828, 13060530, 14055618, 15237285, 16398221, 18284742, 20316380, 21083427, 23426030, 26121060, 28111236, 30474570, 32796442, 35139045, 36569484, 42166854, 45711855, 46852060, 49194663, 60949140, 65592884, 70278090, 81991105, 84333708, 91423710, 98389326, 105417135, 114787547, 140556180, 147583989, 163982210, 182847420, 196778652, 210834270, 229575094, 245973315, 295167978, 327964420, 344362641, 421668540, 459150188, 491946630, 573937735, 590335956, 688725282, 737919945, 983893260, 1033087923, 1147875470, 1377450564, 1475839890, 1721813205, 2066175846, 2295750940, 2951679780, 3443626410, 4132351692, 5165439615, 6887252820, 10330879230, 20661758460]

約数ペア:

[(1, 20661758460), (2, 10330879230), (3, 6887252820), (4, 5165439615), (5, 4132351692), (6, 3443626410), (7, 2951679780), (9, 2295750940), (10, 2066175846), (12, 1721813205), (14, 1475839890), (15, 1377450564), (18, 1147875470), (20, 1033087923), (21, 983893260), (28, 737919945), (30, 688725282), (35, 590335956), (36, 573937735), (42, 491946630), (45, 459150188), (49, 421668540), (60, 344362641), (63, 327964420), (70, 295167978), (84, 245973315), (90, 229575094), (98, 210834270), (105, 196778652), (113, 182847420), (126, 163982210), (140, 147583989), (147, 140556180), (180, 114787547), (196, 105417135), (210, 98389326), (226, 91423710), (245, 84333708), (252, 81991105), (294, 70278090), (315, 65592884), (339, 60949140), (420, 49194663), (441, 46852060), (452, 45711855), (490, 42166854), (565, 36569484), (588, 35139045), (630, 32796442), (678, 30474570), (735, 28111236), (791, 26121060), (882, 23426030), (980, 21083427), (1017, 20316380), (1130, 18284742), (1260, 16398221), (1356, 15237285), (1470, 14055618), (1582, 13060530), (1695, 12189828), (1764, 11713015), (2034, 10158190), (2205, 9370412), (2260, 9142371), (2373, 8707020), (2940, 7027809), (3164, 6530265), (3390, 6094914), (3955, 5224212), (4068, 5079095), (4410, 4685206), (4746, 4353510), (5085, 4063276), (5537, 3731580), (6780, 3047457), (7119, 2902340), (7910, 2612106), (8820, 2342603), (9492, 2176755), (10170, 2031638), (11074, 1865790), (11865, 1741404), (14238, 1451170), (15820, 1306053), (16611, 1243860), (20340, 1015819), (20731, 996660), (22148, 932895), (23730, 870702), (27685, 746316), (28476, 725585), (33222, 621930), (35595, 580468), (41462, 498330), (47460, 435351), (49833, 414620), (55370, 373158), (62193, 332220), (66444, 310965), (71190, 290234), (82924, 249165), (83055, 248772), (99666, 207310), (103655, 199332), (110740, 186579), (124386, 166110), (142380, 145117)]