20122559740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{88591}}^1$

素因数の和:88918

約数の個数: 48

約数和(自身を含む): 43444808064

約数和(自身を除く): 23322248324

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 277, 410, 554, 820, 1108, 1385, 2770, 5540, 11357, 22714, 45428, 56785, 88591, 113570, 177182, 227140, 354364, 442955, 885910, 1771820, 3632231, 7264462, 14528924, 18161155, 24539707, 36322310, 49079414, 72644620, 98158828, 122698535, 245397070, 490794140, 1006127987, 2012255974, 4024511948, 5030639935, 10061279870, 20122559740]

約数ペア:

[(1, 20122559740), (2, 10061279870), (4, 5030639935), (5, 4024511948), (10, 2012255974), (20, 1006127987), (41, 490794140), (82, 245397070), (164, 122698535), (205, 98158828), (277, 72644620), (410, 49079414), (554, 36322310), (820, 24539707), (1108, 18161155), (1385, 14528924), (2770, 7264462), (5540, 3632231), (11357, 1771820), (22714, 885910), (45428, 442955), (56785, 354364), (88591, 227140), (113570, 177182)]