20994450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{2089}}^1$

素因数の和:2171

約数の個数: 48

約数和(自身を含む): 52868640

約数和(自身を除く): 31874190

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 67, 75, 134, 150, 201, 335, 402, 670, 1005, 1675, 2010, 2089, 3350, 4178, 5025, 6267, 10050, 10445, 12534, 20890, 31335, 52225, 62670, 104450, 139963, 156675, 279926, 313350, 419889, 699815, 839778, 1399630, 2099445, 3499075, 4198890, 6998150, 10497225, 20994450]

約数ペア:

[(1, 20994450), (2, 10497225), (3, 6998150), (5, 4198890), (6, 3499075), (10, 2099445), (15, 1399630), (25, 839778), (30, 699815), (50, 419889), (67, 313350), (75, 279926), (134, 156675), (150, 139963), (201, 104450), (335, 62670), (402, 52225), (670, 31335), (1005, 20890), (1675, 12534), (2010, 10445), (2089, 10050), (3350, 6267), (4178, 5025)]