20531818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 35294400

約数和(自身を除く): 14762582

約数列:

[1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 859, 1258, 1406, 1718, 11951, 14603, 16321, 23902, 29206, 31783, 32642, 63566, 277457, 540311, 554914, 603877, 1080622, 1207754, 10265909, 20531818]

約数ペア:

[(1, 20531818), (2, 10265909), (17, 1207754), (19, 1080622), (34, 603877), (37, 554914), (38, 540311), (74, 277457), (323, 63566), (629, 32642), (646, 31783), (703, 29206), (859, 23902), (1258, 16321), (1406, 14603), (1718, 11951)]