20578038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263821}}^1$

素因数の和:263839

約数の個数: 16

約数和(自身を含む): 44322096

約数和(自身を除く): 23744058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263821, 527642, 791463, 1582926, 3429673, 6859346, 10289019, 20578038]

約数ペア:

[(1, 20578038), (2, 10289019), (3, 6859346), (6, 3429673), (13, 1582926), (26, 791463), (39, 527642), (78, 263821)]