20743945740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{531079}}^1$

素因数の和:531132

約数の個数: 144

約数和(自身を含む): 74232238080

約数和(自身を除く): 53488292340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 39060, 531079, 1062158, 1593237, 2124316, 2655395, 3186474, 3717553, 4779711, 5310790, 6372948, 7435106, 7966185, 9559422, 10621580, 11152659, 14870212, 15932370, 16463449, 18587765, 19118844, 22305318, 23898555, 31864740, 32926898, 33457977, 37175530, 44610636, 47797110, 49390347, 55763295, 65853796, 66915954, 74351060, 82317245, 95594220, 98780694, 111526590, 115244143, 133831908, 148171041, 164634490, 167289885, 197561388, 223053180, 230488286, 246951735, 296342082, 329268980, 334579770, 345732429, 460976572, 493903470, 576220715, 592684164, 669159540, 691464858, 740855205, 987806940, 1037197287, 1152441430, 1382929716, 1481710410, 1728662145, 2074394574, 2304882860, 2963420820, 3457324290, 4148789148, 5185986435, 6914648580, 10371972870, 20743945740]

約数ペア:

[(1, 20743945740), (2, 10371972870), (3, 6914648580), (4, 5185986435), (5, 4148789148), (6, 3457324290), (7, 2963420820), (9, 2304882860), (10, 2074394574), (12, 1728662145), (14, 1481710410), (15, 1382929716), (18, 1152441430), (20, 1037197287), (21, 987806940), (28, 740855205), (30, 691464858), (31, 669159540), (35, 592684164), (36, 576220715), (42, 493903470), (45, 460976572), (60, 345732429), (62, 334579770), (63, 329268980), (70, 296342082), (84, 246951735), (90, 230488286), (93, 223053180), (105, 197561388), (124, 167289885), (126, 164634490), (140, 148171041), (155, 133831908), (180, 115244143), (186, 111526590), (210, 98780694), (217, 95594220), (252, 82317245), (279, 74351060), (310, 66915954), (315, 65853796), (372, 55763295), (420, 49390347), (434, 47797110), (465, 44610636), (558, 37175530), (620, 33457977), (630, 32926898), (651, 31864740), (868, 23898555), (930, 22305318), (1085, 19118844), (1116, 18587765), (1260, 16463449), (1302, 15932370), (1395, 14870212), (1860, 11152659), (1953, 10621580), (2170, 9559422), (2604, 7966185), (2790, 7435106), (3255, 6372948), (3906, 5310790), (4340, 4779711), (5580, 3717553), (6510, 3186474), (7812, 2655395), (9765, 2124316), (13020, 1593237), (19530, 1062158), (39060, 531079)]