20855528072

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{202859}}^1$

素因数の和:203117

約数の個数: 32

約数和(自身を含む): 39874161600

約数和(自身を除く): 19018633528

約数列:

[1, 2, 4, 8, 71, 142, 181, 284, 362, 568, 724, 1448, 12851, 25702, 51404, 102808, 202859, 405718, 811436, 1622872, 14402989, 28805978, 36717479, 57611956, 73434958, 115223912, 146869916, 293739832, 2606941009, 5213882018, 10427764036, 20855528072]

約数ペア:

[(1, 20855528072), (2, 10427764036), (4, 5213882018), (8, 2606941009), (71, 293739832), (142, 146869916), (181, 115223912), (284, 73434958), (362, 57611956), (568, 36717479), (724, 28805978), (1448, 14402989), (12851, 1622872), (25702, 811436), (51404, 405718), (102808, 202859)]