20120851947

素因数分解:

$3^1\times 7^1\times {\mathrm{1453}}^1\times {\mathrm{659419}}^1$

素因数の和:660882

約数の個数: 16

約数和(自身を含む): 30681493760

約数和(自身を除く): 10560641813

約数列:

[1, 3, 7, 21, 1453, 4359, 10171, 30513, 659419, 1978257, 4615933, 13847799, 958135807, 2874407421, 6706950649, 20120851947]

約数ペア:

[(1, 20120851947), (3, 6706950649), (7, 2874407421), (21, 958135807), (1453, 13847799), (4359, 4615933), (10171, 1978257), (30513, 659419)]