20137547456

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{306377}}^1$

素因数の和:306481

約数の個数: 56

約数和(自身を含む): 43579206720

約数和(自身を除く): 23441659264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 208, 316, 416, 632, 832, 1027, 1264, 2054, 2528, 4108, 5056, 8216, 16432, 32864, 65728, 306377, 612754, 1225508, 2451016, 3982901, 4902032, 7965802, 9804064, 15931604, 19608128, 24203783, 31863208, 48407566, 63726416, 96815132, 127452832, 193630264, 254905664, 314649179, 387260528, 629298358, 774521056, 1258596716, 1549042112, 2517193432, 5034386864, 10068773728, 20137547456]

約数ペア:

[(1, 20137547456), (2, 10068773728), (4, 5034386864), (8, 2517193432), (13, 1549042112), (16, 1258596716), (26, 774521056), (32, 629298358), (52, 387260528), (64, 314649179), (79, 254905664), (104, 193630264), (158, 127452832), (208, 96815132), (316, 63726416), (416, 48407566), (632, 31863208), (832, 24203783), (1027, 19608128), (1264, 15931604), (2054, 9804064), (2528, 7965802), (4108, 4902032), (5056, 3982901), (8216, 2451016), (16432, 1225508), (32864, 612754), (65728, 306377)]