20910786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1181}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 45275328

約数和(自身を除く): 24364542

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 227, 454, 681, 1181, 1362, 2362, 2951, 3543, 5902, 7086, 8853, 15353, 17706, 30706, 46059, 92118, 268087, 536174, 804261, 1608522, 3485131, 6970262, 10455393, 20910786]

約数ペア:

[(1, 20910786), (2, 10455393), (3, 6970262), (6, 3485131), (13, 1608522), (26, 804261), (39, 536174), (78, 268087), (227, 92118), (454, 46059), (681, 30706), (1181, 17706), (1362, 15353), (2362, 8853), (2951, 7086), (3543, 5902)]