20172975540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{3847}}^1$

素因数の和:4026

約数の個数: 192

約数和(自身を含む): 61579574784

約数和(自身を除く): 41406599244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 53, 60, 68, 85, 97, 102, 106, 159, 170, 194, 204, 212, 255, 265, 291, 318, 340, 388, 485, 510, 530, 582, 636, 795, 901, 970, 1020, 1060, 1164, 1455, 1590, 1649, 1802, 1940, 2703, 2910, 3180, 3298, 3604, 3847, 4505, 4947, 5141, 5406, 5820, 6596, 7694, 8245, 9010, 9894, 10282, 10812, 11541, 13515, 15388, 15423, 16490, 18020, 19235, 19788, 20564, 23082, 24735, 25705, 27030, 30846, 32980, 38470, 46164, 49470, 51410, 54060, 57705, 61692, 65399, 76940, 77115, 87397, 98940, 102820, 115410, 130798, 154230, 174794, 196197, 203891, 230820, 261596, 262191, 308460, 326995, 349588, 373159, 392394, 407782, 436985, 524382, 611673, 653990, 746318, 784788, 815564, 873970, 980985, 1019455, 1048764, 1119477, 1223346, 1307980, 1310955, 1492636, 1747940, 1865795, 1961970, 2038910, 2238954, 2446692, 2621910, 3058365, 3466147, 3731590, 3923940, 4077820, 4477908, 5243820, 5597385, 6116730, 6343703, 6932294, 7463180, 10398441, 11194770, 12233460, 12687406, 13864588, 17330735, 19031109, 19777427, 20796882, 22389540, 25374812, 31718515, 34661470, 38062218, 39554854, 41593764, 51992205, 59332281, 63437030, 69322940, 76124436, 79109708, 95155545, 98887135, 103984410, 118664562, 126874060, 190311090, 197774270, 207968820, 237329124, 296661405, 336216259, 380622180, 395548540, 593322810, 672432518, 1008648777, 1186645620, 1344865036, 1681081295, 2017297554, 3362162590, 4034595108, 5043243885, 6724325180, 10086487770, 20172975540]

約数ペア:

[(1, 20172975540), (2, 10086487770), (3, 6724325180), (4, 5043243885), (5, 4034595108), (6, 3362162590), (10, 2017297554), (12, 1681081295), (15, 1344865036), (17, 1186645620), (20, 1008648777), (30, 672432518), (34, 593322810), (51, 395548540), (53, 380622180), (60, 336216259), (68, 296661405), (85, 237329124), (97, 207968820), (102, 197774270), (106, 190311090), (159, 126874060), (170, 118664562), (194, 103984410), (204, 98887135), (212, 95155545), (255, 79109708), (265, 76124436), (291, 69322940), (318, 63437030), (340, 59332281), (388, 51992205), (485, 41593764), (510, 39554854), (530, 38062218), (582, 34661470), (636, 31718515), (795, 25374812), (901, 22389540), (970, 20796882), (1020, 19777427), (1060, 19031109), (1164, 17330735), (1455, 13864588), (1590, 12687406), (1649, 12233460), (1802, 11194770), (1940, 10398441), (2703, 7463180), (2910, 6932294), (3180, 6343703), (3298, 6116730), (3604, 5597385), (3847, 5243820), (4505, 4477908), (4947, 4077820), (5141, 3923940), (5406, 3731590), (5820, 3466147), (6596, 3058365), (7694, 2621910), (8245, 2446692), (9010, 2238954), (9894, 2038910), (10282, 1961970), (10812, 1865795), (11541, 1747940), (13515, 1492636), (15388, 1310955), (15423, 1307980), (16490, 1223346), (18020, 1119477), (19235, 1048764), (19788, 1019455), (20564, 980985), (23082, 873970), (24735, 815564), (25705, 784788), (27030, 746318), (30846, 653990), (32980, 611673), (38470, 524382), (46164, 436985), (49470, 407782), (51410, 392394), (54060, 373159), (57705, 349588), (61692, 326995), (65399, 308460), (76940, 262191), (77115, 261596), (87397, 230820), (98940, 203891), (102820, 196197), (115410, 174794), (130798, 154230)]