20456424004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{541}}^1\times {\mathrm{119659}}^1$

素因数の和:120283

約数の個数: 24

約数和(自身を含む): 36319203200

約数和(自身を除く): 15862779196

約数列:

[1, 2, 4, 79, 158, 316, 541, 1082, 2164, 42739, 85478, 119659, 170956, 239318, 478636, 9453061, 18906122, 37812244, 64735519, 129471038, 258942076, 5114106001, 10228212002, 20456424004]

約数ペア:

[(1, 20456424004), (2, 10228212002), (4, 5114106001), (79, 258942076), (158, 129471038), (316, 64735519), (541, 37812244), (1082, 18906122), (2164, 9453061), (42739, 478636), (85478, 239318), (119659, 170956)]