20431860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{677}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 57407616

約数和(自身を除く): 36975756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 503, 677, 1006, 1354, 1509, 2012, 2031, 2515, 2708, 3018, 3385, 4062, 5030, 6036, 6770, 7545, 8124, 10060, 10155, 13540, 15090, 20310, 30180, 40620, 340531, 681062, 1021593, 1362124, 1702655, 2043186, 3405310, 4086372, 5107965, 6810620, 10215930, 20431860]

約数ペア:

[(1, 20431860), (2, 10215930), (3, 6810620), (4, 5107965), (5, 4086372), (6, 3405310), (10, 2043186), (12, 1702655), (15, 1362124), (20, 1021593), (30, 681062), (60, 340531), (503, 40620), (677, 30180), (1006, 20310), (1354, 15090), (1509, 13540), (2012, 10155), (2031, 10060), (2515, 8124), (2708, 7545), (3018, 6770), (3385, 6036), (4062, 5030)]