20443690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2269}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 39715920

約数和(自身を除く): 19272230

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2269, 4505, 4538, 9010, 11345, 22690, 38573, 77146, 120257, 192865, 240514, 385730, 601285, 1202570, 2044369, 4088738, 10221845, 20443690]

約数ペア:

[(1, 20443690), (2, 10221845), (5, 4088738), (10, 2044369), (17, 1202570), (34, 601285), (53, 385730), (85, 240514), (106, 192865), (170, 120257), (265, 77146), (530, 38573), (901, 22690), (1802, 11345), (2269, 9010), (4505, 4538)]