20502735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 36087552

約数和(自身を除く): 15584817

約数列:

[1, 3, 5, 11, 15, 33, 55, 137, 165, 411, 685, 907, 1507, 2055, 2721, 4521, 4535, 7535, 9977, 13605, 22605, 29931, 49885, 124259, 149655, 372777, 621295, 1366849, 1863885, 4100547, 6834245, 20502735]

約数ペア:

[(1, 20502735), (3, 6834245), (5, 4100547), (11, 1863885), (15, 1366849), (33, 621295), (55, 372777), (137, 149655), (165, 124259), (411, 49885), (685, 29931), (907, 22605), (1507, 13605), (2055, 9977), (2721, 7535), (4521, 4535)]