20216306870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1\times {\mathrm{32713}}^1$

素因数の和:34880

約数の個数: 32

約数和(自身を含む): 37662973920

約数和(自身を除く): 17446667050

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 2131, 4262, 10655, 21310, 32713, 61799, 65426, 123598, 163565, 308995, 327130, 617990, 948677, 1897354, 4743385, 9486770, 69711403, 139422806, 348557015, 697114030, 2021630687, 4043261374, 10108153435, 20216306870]

約数ペア:

[(1, 20216306870), (2, 10108153435), (5, 4043261374), (10, 2021630687), (29, 697114030), (58, 348557015), (145, 139422806), (290, 69711403), (2131, 9486770), (4262, 4743385), (10655, 1897354), (21310, 948677), (32713, 617990), (61799, 327130), (65426, 308995), (123598, 163565)]