20341965050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{520921}}^1$

素因数の和:521015

約数の個数: 48

約数和(自身を含む): 41857124544

約数和(自身を除く): 21515159494

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 781, 1562, 1775, 3550, 3905, 7810, 19525, 39050, 520921, 1041842, 2604605, 5209210, 5730131, 11460262, 13023025, 26046050, 28650655, 36985391, 57301310, 73970782, 143253275, 184926955, 286506550, 369853910, 406839301, 813678602, 924634775, 1849269550, 2034196505, 4068393010, 10170982525, 20341965050]

約数ペア:

[(1, 20341965050), (2, 10170982525), (5, 4068393010), (10, 2034196505), (11, 1849269550), (22, 924634775), (25, 813678602), (50, 406839301), (55, 369853910), (71, 286506550), (110, 184926955), (142, 143253275), (275, 73970782), (355, 57301310), (550, 36985391), (710, 28650655), (781, 26046050), (1562, 13023025), (1775, 11460262), (3550, 5730131), (3905, 5209210), (7810, 2604605), (19525, 1041842), (39050, 520921)]