20121207477

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1366837}}^1$

素因数の和:1367548

約数の個数: 16

約数和(自身を含む): 30704648832

約数和(自身を除く): 10583441355

約数列:

[1, 3, 7, 21, 701, 2103, 4907, 14721, 1366837, 4100511, 9567859, 28703577, 958152737, 2874458211, 6707069159, 20121207477]

約数ペア:

[(1, 20121207477), (3, 6707069159), (7, 2874458211), (21, 958152737), (701, 28703577), (2103, 9567859), (4907, 4100511), (14721, 1366837)]