20951372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6829}}^1$

素因数の和:6905

約数の個数: 24

約数和(自身を含む): 40160400

約数和(自身を除く): 19209028

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6829, 13658, 27316, 88777, 177554, 355108, 402911, 805822, 1611644, 5237843, 10475686, 20951372]

約数ペア:

[(1, 20951372), (2, 10475686), (4, 5237843), (13, 1611644), (26, 805822), (52, 402911), (59, 355108), (118, 177554), (236, 88777), (767, 27316), (1534, 13658), (3068, 6829)]