20277842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{991}}^1$

素因数の和:1793

約数の個数: 16

約数和(自身を含む): 32831232

約数和(自身を除く): 12553390

約数列:

[1, 2, 13, 26, 787, 991, 1574, 1982, 10231, 12883, 20462, 25766, 779917, 1559834, 10138921, 20277842]

約数ペア:

[(1, 20277842), (2, 10138921), (13, 1559834), (26, 779917), (787, 25766), (991, 20462), (1574, 12883), (1982, 10231)]