20018321979

素因数分解:

$3^1\times {\mathrm{179}}^1\times {\mathrm{1583}}^1\times {\mathrm{23549}}^1$

素因数の和:25314

約数の個数: 16

約数和(自身を含む): 26858304000

約数和(自身を除く): 6839982021

約数列:

[1, 3, 179, 537, 1583, 4749, 23549, 70647, 283357, 850071, 4215271, 12645813, 37278067, 111834201, 6672773993, 20018321979]

約数ペア:

[(1, 20018321979), (3, 6672773993), (179, 111834201), (537, 37278067), (1583, 12645813), (4749, 4215271), (23549, 850071), (70647, 283357)]