20996870480

素因数分解:

$2^4\times 5^1\times {\mathrm{262460881}}^1$

素因数の和:262460894

約数の個数: 20

約数和(自身を含む): 48817724052

約数和(自身を除く): 27820853572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 262460881, 524921762, 1049843524, 1312304405, 2099687048, 2624608810, 4199374096, 5249217620, 10498435240, 20996870480]

約数ペア:

[(1, 20996870480), (2, 10498435240), (4, 5249217620), (5, 4199374096), (8, 2624608810), (10, 2099687048), (16, 1312304405), (20, 1049843524), (40, 524921762), (80, 262460881)]