20409264

素因数分解:

$2^4\times 3^2\times {\mathrm{141731}}^1$

素因数の和:141745

約数の個数: 30

約数和(自身を含む): 57117996

約数和(自身を除く): 36708732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 141731, 283462, 425193, 566924, 850386, 1133848, 1275579, 1700772, 2267696, 2551158, 3401544, 5102316, 6803088, 10204632, 20409264]

約数ペア:

[(1, 20409264), (2, 10204632), (3, 6803088), (4, 5102316), (6, 3401544), (8, 2551158), (9, 2267696), (12, 1700772), (16, 1275579), (18, 1133848), (24, 850386), (36, 566924), (48, 425193), (72, 283462), (144, 141731)]