20126103920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19352023}}^1$

素因数の和:19352049

約数の個数: 40

約数和(自身を含む): 50392670496

約数和(自身を除く): 30266566576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19352023, 38704046, 77408092, 96760115, 154816184, 193520230, 251576299, 309632368, 387040460, 503152598, 774080920, 1006305196, 1257881495, 1548161840, 2012610392, 2515762990, 4025220784, 5031525980, 10063051960, 20126103920]

約数ペア:

[(1, 20126103920), (2, 10063051960), (4, 5031525980), (5, 4025220784), (8, 2515762990), (10, 2012610392), (13, 1548161840), (16, 1257881495), (20, 1006305196), (26, 774080920), (40, 503152598), (52, 387040460), (65, 309632368), (80, 251576299), (104, 193520230), (130, 154816184), (208, 96760115), (260, 77408092), (520, 38704046), (1040, 19352023)]