20407640325

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{677}}^1\times {\mathrm{9803}}^1$

素因数の和:10534

約数の個数: 48

約数和(自身を含む): 34618159296

約数和(自身を除く): 14210518971

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 677, 1025, 2031, 3075, 3385, 9803, 10155, 16925, 27757, 29409, 49015, 50775, 83271, 138785, 147045, 245075, 401923, 416355, 693925, 735225, 1205769, 2009615, 2081775, 6028845, 6636631, 10048075, 19909893, 30144225, 33183155, 99549465, 165915775, 272101871, 497747325, 816305613, 1360509355, 4081528065, 6802546775, 20407640325]

約数ペア:

[(1, 20407640325), (3, 6802546775), (5, 4081528065), (15, 1360509355), (25, 816305613), (41, 497747325), (75, 272101871), (123, 165915775), (205, 99549465), (615, 33183155), (677, 30144225), (1025, 19909893), (2031, 10048075), (3075, 6636631), (3385, 6028845), (9803, 2081775), (10155, 2009615), (16925, 1205769), (27757, 735225), (29409, 693925), (49015, 416355), (50775, 401923), (83271, 245075), (138785, 147045)]