20733460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 48186432

約数和(自身を除く): 27452972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1291, 1460, 1606, 2582, 3212, 4015, 5164, 6455, 8030, 12910, 14201, 16060, 25820, 28402, 56804, 71005, 94243, 142010, 188486, 284020, 376972, 471215, 942430, 1036673, 1884860, 2073346, 4146692, 5183365, 10366730, 20733460]

約数ペア:

[(1, 20733460), (2, 10366730), (4, 5183365), (5, 4146692), (10, 2073346), (11, 1884860), (20, 1036673), (22, 942430), (44, 471215), (55, 376972), (73, 284020), (110, 188486), (146, 142010), (220, 94243), (292, 71005), (365, 56804), (730, 28402), (803, 25820), (1291, 16060), (1460, 14201), (1606, 12910), (2582, 8030), (3212, 6455), (4015, 5164)]