19960620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1201}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 56138208

約数和(自身を除く): 36177588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1201, 1385, 1662, 2402, 2770, 3324, 3603, 4155, 4804, 5540, 6005, 7206, 8310, 12010, 14412, 16620, 18015, 24020, 36030, 72060, 332677, 665354, 998031, 1330708, 1663385, 1996062, 3326770, 3992124, 4990155, 6653540, 9980310, 19960620]

約数ペア:

[(1, 19960620), (2, 9980310), (3, 6653540), (4, 4990155), (5, 3992124), (6, 3326770), (10, 1996062), (12, 1663385), (15, 1330708), (20, 998031), (30, 665354), (60, 332677), (277, 72060), (554, 36030), (831, 24020), (1108, 18015), (1201, 16620), (1385, 14412), (1662, 12010), (2402, 8310), (2770, 7206), (3324, 6005), (3603, 5540), (4155, 4804)]