20812472

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29231}}^1$

素因数の和:29326

約数の個数: 16

約数和(自身を含む): 39463200

約数和(自身を除く): 18650728

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29231, 58462, 116924, 233848, 2601559, 5203118, 10406236, 20812472]

約数ペア:

[(1, 20812472), (2, 10406236), (4, 5203118), (8, 2601559), (89, 233848), (178, 116924), (356, 58462), (712, 29231)]