20399088

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6343}}^1$

素因数の和:6421

約数の個数: 40

約数和(自身を含む): 53492608

約数和(自身を除く): 33093520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6343, 12686, 19029, 25372, 38058, 50744, 76116, 101488, 152232, 304464, 424981, 849962, 1274943, 1699924, 2549886, 3399848, 5099772, 6799696, 10199544, 20399088]

約数ペア:

[(1, 20399088), (2, 10199544), (3, 6799696), (4, 5099772), (6, 3399848), (8, 2549886), (12, 1699924), (16, 1274943), (24, 849962), (48, 424981), (67, 304464), (134, 152232), (201, 101488), (268, 76116), (402, 50744), (536, 38058), (804, 25372), (1072, 19029), (1608, 12686), (3216, 6343)]