20794980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2729}}^1$

素因数の和:2868

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 37910940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2729, 3810, 5458, 7620, 8187, 10916, 13645, 16374, 27290, 32748, 40935, 54580, 81870, 163740, 346583, 693166, 1039749, 1386332, 1732915, 2079498, 3465830, 4158996, 5198745, 6931660, 10397490, 20794980]

約数ペア:

[(1, 20794980), (2, 10397490), (3, 6931660), (4, 5198745), (5, 4158996), (6, 3465830), (10, 2079498), (12, 1732915), (15, 1386332), (20, 1039749), (30, 693166), (60, 346583), (127, 163740), (254, 81870), (381, 54580), (508, 40935), (635, 32748), (762, 27290), (1270, 16374), (1524, 13645), (1905, 10916), (2540, 8187), (2729, 7620), (3810, 5458)]