20490744

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12743}}^1$

素因数の和:12819

約数の個数: 32

約数和(自身を含む): 51995520

約数和(自身を除く): 31504776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12743, 25486, 38229, 50972, 76458, 101944, 152916, 305832, 853781, 1707562, 2561343, 3415124, 5122686, 6830248, 10245372, 20490744]

約数ペア:

[(1, 20490744), (2, 10245372), (3, 6830248), (4, 5122686), (6, 3415124), (8, 2561343), (12, 1707562), (24, 853781), (67, 305832), (134, 152916), (201, 101944), (268, 76458), (402, 50972), (536, 38229), (804, 25486), (1608, 12743)]