20120808280

素因数分解:

$2^3\times 5^1\times {\mathrm{503020207}}^1$

素因数の和:503020218

約数の個数: 16

約数和(自身を含む): 45271818720

約数和(自身を除く): 25151010440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503020207, 1006040414, 2012080828, 2515101035, 4024161656, 5030202070, 10060404140, 20120808280]

約数ペア:

[(1, 20120808280), (2, 10060404140), (4, 5030202070), (5, 4024161656), (8, 2515101035), (10, 2012080828), (20, 1006040414), (40, 503020207)]