20192012140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{1889}}^1$

素因数の和:2275

約数の個数: 96

約数和(自身を含む): 45437112000

約数和(自身を除く): 25245099860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 211, 298, 340, 422, 596, 745, 844, 1055, 1490, 1889, 2110, 2533, 2980, 3587, 3778, 4220, 5066, 7174, 7556, 9445, 10132, 12665, 14348, 17935, 18890, 25330, 31439, 32113, 35870, 37780, 50660, 62878, 64226, 71740, 125756, 128452, 157195, 160565, 281461, 314390, 321130, 398579, 534463, 562922, 628780, 642260, 797158, 1068926, 1125844, 1407305, 1594316, 1992895, 2137852, 2672315, 2814610, 3985790, 4784837, 5344630, 5629220, 6775843, 7971580, 9569674, 10689260, 13551686, 19139348, 23924185, 27103372, 33879215, 47848370, 59388271, 67758430, 95696740, 118776542, 135516860, 237553084, 296941355, 593882710, 1009600607, 1187765420, 2019201214, 4038402428, 5048003035, 10096006070, 20192012140]

約数ペア:

[(1, 20192012140), (2, 10096006070), (4, 5048003035), (5, 4038402428), (10, 2019201214), (17, 1187765420), (20, 1009600607), (34, 593882710), (68, 296941355), (85, 237553084), (149, 135516860), (170, 118776542), (211, 95696740), (298, 67758430), (340, 59388271), (422, 47848370), (596, 33879215), (745, 27103372), (844, 23924185), (1055, 19139348), (1490, 13551686), (1889, 10689260), (2110, 9569674), (2533, 7971580), (2980, 6775843), (3587, 5629220), (3778, 5344630), (4220, 4784837), (5066, 3985790), (7174, 2814610), (7556, 2672315), (9445, 2137852), (10132, 1992895), (12665, 1594316), (14348, 1407305), (17935, 1125844), (18890, 1068926), (25330, 797158), (31439, 642260), (32113, 628780), (35870, 562922), (37780, 534463), (50660, 398579), (62878, 321130), (64226, 314390), (71740, 281461), (125756, 160565), (128452, 157195)]