20117716

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 36285480

約数和(自身を除く): 16167764

約数列:

[1, 2, 4, 41, 82, 164, 241, 482, 509, 964, 1018, 2036, 9881, 19762, 20869, 39524, 41738, 83476, 122669, 245338, 490676, 5029429, 10058858, 20117716]

約数ペア:

[(1, 20117716), (2, 10058858), (4, 5029429), (41, 490676), (82, 245338), (164, 122669), (241, 83476), (482, 41738), (509, 39524), (964, 20869), (1018, 19762), (2036, 9881)]