20539710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{599}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 34756290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 127, 135, 254, 270, 381, 599, 635, 762, 1143, 1198, 1270, 1797, 1905, 2286, 2995, 3429, 3594, 3810, 5391, 5715, 5990, 6858, 8985, 10782, 11430, 16173, 17145, 17970, 26955, 32346, 34290, 53910, 76073, 80865, 152146, 161730, 228219, 380365, 456438, 684657, 760730, 1141095, 1369314, 2053971, 2282190, 3423285, 4107942, 6846570, 10269855, 20539710]

約数ペア:

[(1, 20539710), (2, 10269855), (3, 6846570), (5, 4107942), (6, 3423285), (9, 2282190), (10, 2053971), (15, 1369314), (18, 1141095), (27, 760730), (30, 684657), (45, 456438), (54, 380365), (90, 228219), (127, 161730), (135, 152146), (254, 80865), (270, 76073), (381, 53910), (599, 34290), (635, 32346), (762, 26955), (1143, 17970), (1198, 17145), (1270, 16173), (1797, 11430), (1905, 10782), (2286, 8985), (2995, 6858), (3429, 5990), (3594, 5715), (3810, 5391)]