20945115

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1373}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 37592640

約数和(自身を除く): 16647525

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1373, 1695, 3051, 4119, 5085, 6865, 12357, 15255, 20595, 37071, 61785, 155149, 185355, 465447, 775745, 1396341, 2327235, 4189023, 6981705, 20945115]

約数ペア:

[(1, 20945115), (3, 6981705), (5, 4189023), (9, 2327235), (15, 1396341), (27, 775745), (45, 465447), (113, 185355), (135, 155149), (339, 61785), (565, 37071), (1017, 20595), (1373, 15255), (1695, 12357), (3051, 6865), (4119, 5085)]