20128130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4463}}^1$

素因数の和:4522

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 20369278

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4463, 4510, 8926, 22315, 44630, 49093, 98186, 182983, 245465, 365966, 490930, 914915, 1829830, 2012813, 4025626, 10064065, 20128130]

約数ペア:

[(1, 20128130), (2, 10064065), (5, 4025626), (10, 2012813), (11, 1829830), (22, 914915), (41, 490930), (55, 365966), (82, 245465), (110, 182983), (205, 98186), (410, 49093), (451, 44630), (902, 22315), (2255, 8926), (4463, 4510)]