20131718685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2790259}}^1$

素因数の和:2790317

約数の個数: 32

約数和(自身を含む): 35626039680

約数和(自身を除く): 15494320995

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 2790259, 8370777, 13951295, 36273367, 41853885, 103239583, 108820101, 181366835, 309718749, 516197915, 544100505, 1342114579, 1548593745, 4026343737, 6710572895, 20131718685]

約数ペア:

[(1, 20131718685), (3, 6710572895), (5, 4026343737), (13, 1548593745), (15, 1342114579), (37, 544100505), (39, 516197915), (65, 309718749), (111, 181366835), (185, 108820101), (195, 103239583), (481, 41853885), (555, 36273367), (1443, 13951295), (2405, 8370777), (7215, 2790259)]