20121825020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2230801}}^1$

素因数の和:2230862

約数の個数: 48

約数和(自身を含む): 47221616736

約数和(自身を除く): 27099791716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 2230801, 4461602, 8923204, 11154005, 22308010, 24538811, 44616020, 49077622, 91462841, 98155244, 122694055, 182925682, 245388110, 365851364, 457314205, 490776220, 914628410, 1006091251, 1829256820, 2012182502, 4024365004, 5030456255, 10060912510, 20121825020]

約数ペア:

[(1, 20121825020), (2, 10060912510), (4, 5030456255), (5, 4024365004), (10, 2012182502), (11, 1829256820), (20, 1006091251), (22, 914628410), (41, 490776220), (44, 457314205), (55, 365851364), (82, 245388110), (110, 182925682), (164, 122694055), (205, 98155244), (220, 91462841), (410, 49077622), (451, 44616020), (820, 24538811), (902, 22308010), (1804, 11154005), (2255, 8923204), (4510, 4461602), (9020, 2230801)]