20172959877

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1987}}^1\times {\mathrm{2671}}^1$

素因数の和:4849

約数の個数: 32

約数和(自身を含む): 30936715264

約数和(自身を除く): 10763755387

約数列:

[1, 3, 7, 21, 181, 543, 1267, 1987, 2671, 3801, 5961, 8013, 13909, 18697, 41727, 56091, 359647, 483451, 1078941, 1450353, 2517529, 3384157, 5307277, 7552587, 10152471, 15921831, 37150939, 111452817, 960617137, 2881851411, 6724319959, 20172959877]

約数ペア:

[(1, 20172959877), (3, 6724319959), (7, 2881851411), (21, 960617137), (181, 111452817), (543, 37150939), (1267, 15921831), (1987, 10152471), (2671, 7552587), (3801, 5307277), (5961, 3384157), (8013, 2517529), (13909, 1450353), (18697, 1078941), (41727, 483451), (56091, 359647)]