20409882

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 21744678

約数列:

[1, 2, 3, 6, 41, 82, 123, 163, 246, 326, 489, 509, 978, 1018, 1527, 3054, 6683, 13366, 20049, 20869, 40098, 41738, 62607, 82967, 125214, 165934, 248901, 497802, 3401647, 6803294, 10204941, 20409882]

約数ペア:

[(1, 20409882), (2, 10204941), (3, 6803294), (6, 3401647), (41, 497802), (82, 248901), (123, 165934), (163, 125214), (246, 82967), (326, 62607), (489, 41738), (509, 40098), (978, 20869), (1018, 20049), (1527, 13366), (3054, 6683)]