20163397280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{35771}}^1$

素因数の和:36070

約数の個数: 96

約数和(自身を含む): 51491075328

約数和(自身を除く): 31327678048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 271, 416, 520, 542, 1040, 1084, 1355, 2080, 2168, 2710, 3523, 4336, 5420, 7046, 8672, 10840, 14092, 17615, 21680, 28184, 35230, 35771, 43360, 56368, 70460, 71542, 112736, 140920, 143084, 178855, 281840, 286168, 357710, 465023, 563680, 572336, 715420, 930046, 1144672, 1430840, 1860092, 2325115, 2861680, 3720184, 4650230, 5723360, 7440368, 9300460, 9693941, 14880736, 18600920, 19387882, 37201840, 38775764, 48469705, 74403680, 77551528, 96939410, 126021233, 155103056, 193878820, 252042466, 310206112, 387757640, 504084932, 630106165, 775515280, 1008169864, 1260212330, 1551030560, 2016339728, 2520424660, 4032679456, 5040849320, 10081698640, 20163397280]

約数ペア:

[(1, 20163397280), (2, 10081698640), (4, 5040849320), (5, 4032679456), (8, 2520424660), (10, 2016339728), (13, 1551030560), (16, 1260212330), (20, 1008169864), (26, 775515280), (32, 630106165), (40, 504084932), (52, 387757640), (65, 310206112), (80, 252042466), (104, 193878820), (130, 155103056), (160, 126021233), (208, 96939410), (260, 77551528), (271, 74403680), (416, 48469705), (520, 38775764), (542, 37201840), (1040, 19387882), (1084, 18600920), (1355, 14880736), (2080, 9693941), (2168, 9300460), (2710, 7440368), (3523, 5723360), (4336, 4650230), (5420, 3720184), (7046, 2861680), (8672, 2325115), (10840, 1860092), (14092, 1430840), (17615, 1144672), (21680, 930046), (28184, 715420), (35230, 572336), (35771, 563680), (43360, 465023), (56368, 357710), (70460, 286168), (71542, 281840), (112736, 178855), (140920, 143084)]