20859480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57943}}^1$

素因数の和:57960

約数の個数: 48

約数和(自身を含む): 67794480

約数和(自身を除く): 46935000

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, 57943, 115886, 173829, 231772, 289715, 347658, 463544, 521487, 579430, 695316, 869145, 1042974, 1158860, 1390632, 1738290, 2085948, 2317720, 2607435, 3476580, 4171896, 5214870, 6953160, 10429740, 20859480]

約数ペア:

[(1, 20859480), (2, 10429740), (3, 6953160), (4, 5214870), (5, 4171896), (6, 3476580), (8, 2607435), (9, 2317720), (10, 2085948), (12, 1738290), (15, 1390632), (18, 1158860), (20, 1042974), (24, 869145), (30, 695316), (36, 579430), (40, 521487), (45, 463544), (60, 347658), (72, 289715), (90, 231772), (120, 173829), (180, 115886), (360, 57943)]