20841264

素因数分解:

$2^4\times 3^2\times {\mathrm{144731}}^1$

素因数の和:144745

約数の個数: 30

約数和(自身を含む): 58326996

約数和(自身を除く): 37485732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144731, 289462, 434193, 578924, 868386, 1157848, 1302579, 1736772, 2315696, 2605158, 3473544, 5210316, 6947088, 10420632, 20841264]

約数ペア:

[(1, 20841264), (2, 10420632), (3, 6947088), (4, 5210316), (6, 3473544), (8, 2605158), (9, 2315696), (12, 1736772), (16, 1302579), (18, 1157848), (24, 868386), (36, 578924), (48, 434193), (72, 289462), (144, 144731)]