20355480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56543}}^1$

素因数の和:56560

約数の個数: 48

約数和(自身を含む): 66156480

約数和(自身を除く): 45801000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56543, 113086, 169629, 226172, 282715, 339258, 452344, 508887, 565430, 678516, 848145, 1017774, 1130860, 1357032, 1696290, 2035548, 2261720, 2544435, 3392580, 4071096, 5088870, 6785160, 10177740, 20355480]

約数ペア:

[(1, 20355480), (2, 10177740), (3, 6785160), (4, 5088870), (5, 4071096), (6, 3392580), (8, 2544435), (9, 2261720), (10, 2035548), (12, 1696290), (15, 1357032), (18, 1130860), (20, 1017774), (24, 848145), (30, 678516), (36, 565430), (40, 508887), (45, 452344), (60, 339258), (72, 282715), (90, 226172), (120, 169629), (180, 113086), (360, 56543)]