20163469820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1\times {\mathrm{2161}}^1$

素因数の和:4311

約数の個数: 96

約数和(自身を含む): 48328068096

約数和(自身を除く): 28164598276

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2111, 2161, 2210, 4222, 4322, 4420, 8444, 8644, 10555, 10805, 21110, 21610, 27443, 28093, 35887, 36737, 42220, 43220, 54886, 56186, 71774, 73474, 109772, 112372, 137215, 140465, 143548, 146948, 179435, 183685, 274430, 280930, 358870, 367370, 466531, 477581, 548860, 561860, 717740, 734740, 933062, 955162, 1866124, 1910324, 2332655, 2387905, 4561871, 4665310, 4775810, 9123742, 9330620, 9551620, 18247484, 22809355, 45618710, 59304323, 77551807, 91237420, 118608646, 155103614, 237217292, 296521615, 310207228, 387759035, 593043230, 775518070, 1008173491, 1186086460, 1551036140, 2016346982, 4032693964, 5040867455, 10081734910, 20163469820]

約数ペア:

[(1, 20163469820), (2, 10081734910), (4, 5040867455), (5, 4032693964), (10, 2016346982), (13, 1551036140), (17, 1186086460), (20, 1008173491), (26, 775518070), (34, 593043230), (52, 387759035), (65, 310207228), (68, 296521615), (85, 237217292), (130, 155103614), (170, 118608646), (221, 91237420), (260, 77551807), (340, 59304323), (442, 45618710), (884, 22809355), (1105, 18247484), (2111, 9551620), (2161, 9330620), (2210, 9123742), (4222, 4775810), (4322, 4665310), (4420, 4561871), (8444, 2387905), (8644, 2332655), (10555, 1910324), (10805, 1866124), (21110, 955162), (21610, 933062), (27443, 734740), (28093, 717740), (35887, 561860), (36737, 548860), (42220, 477581), (43220, 466531), (54886, 367370), (56186, 358870), (71774, 280930), (73474, 274430), (109772, 183685), (112372, 179435), (137215, 146948), (140465, 143548)]