20158654672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1069}}^1\times {\mathrm{5333}}^1$

素因数の和:6440

約数の個数: 80

約数和(自身を含む): 44586052560

約数和(自身を除く): 24427397888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1069, 1768, 2138, 3536, 4276, 5333, 8552, 10666, 13897, 17104, 18173, 21332, 27794, 36346, 42664, 55588, 69329, 72692, 85328, 90661, 111176, 138658, 145384, 181322, 222352, 236249, 277316, 290768, 362644, 472498, 554632, 725288, 944996, 1109264, 1178593, 1450576, 1889992, 2357186, 3779984, 4714372, 5700977, 9428744, 11401954, 18857488, 22803908, 45607816, 74112701, 91215632, 96916609, 148225402, 193833218, 296450804, 387666436, 592901608, 775332872, 1185803216, 1259915917, 1550665744, 2519831834, 5039663668, 10079327336, 20158654672]

約数ペア:

[(1, 20158654672), (2, 10079327336), (4, 5039663668), (8, 2519831834), (13, 1550665744), (16, 1259915917), (17, 1185803216), (26, 775332872), (34, 592901608), (52, 387666436), (68, 296450804), (104, 193833218), (136, 148225402), (208, 96916609), (221, 91215632), (272, 74112701), (442, 45607816), (884, 22803908), (1069, 18857488), (1768, 11401954), (2138, 9428744), (3536, 5700977), (4276, 4714372), (5333, 3779984), (8552, 2357186), (10666, 1889992), (13897, 1450576), (17104, 1178593), (18173, 1109264), (21332, 944996), (27794, 725288), (36346, 554632), (42664, 472498), (55588, 362644), (69329, 290768), (72692, 277316), (85328, 236249), (90661, 222352), (111176, 181322), (138658, 145384)]