20459820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8317}}^1$

素因数の和:8370

約数の個数: 48

約数和(自身を含む): 58691808

約数和(自身を除く): 38231988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8317, 16634, 24951, 33268, 41585, 49902, 83170, 99804, 124755, 166340, 249510, 340997, 499020, 681994, 1022991, 1363988, 1704985, 2045982, 3409970, 4091964, 5114955, 6819940, 10229910, 20459820]

約数ペア:

[(1, 20459820), (2, 10229910), (3, 6819940), (4, 5114955), (5, 4091964), (6, 3409970), (10, 2045982), (12, 1704985), (15, 1363988), (20, 1022991), (30, 681994), (41, 499020), (60, 340997), (82, 249510), (123, 166340), (164, 124755), (205, 99804), (246, 83170), (410, 49902), (492, 41585), (615, 33268), (820, 24951), (1230, 16634), (2460, 8317)]