20962695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 36372672

約数和(自身を除く): 15409977

約数列:

[1, 3, 5, 13, 15, 39, 65, 193, 195, 557, 579, 965, 1671, 2509, 2785, 2895, 7241, 7527, 8355, 12545, 21723, 36205, 37635, 107501, 108615, 322503, 537505, 1397513, 1612515, 4192539, 6987565, 20962695]

約数ペア:

[(1, 20962695), (3, 6987565), (5, 4192539), (13, 1612515), (15, 1397513), (39, 537505), (65, 322503), (193, 108615), (195, 107501), (557, 37635), (579, 36205), (965, 21723), (1671, 12545), (2509, 8355), (2785, 7527), (2895, 7241)]