20187006788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{239489}}^1$

素因数の和:241127

約数の個数: 24

約数和(自身を含む): 38068372440

約数和(自身を除く): 17881365652

約数列:

[1, 2, 4, 13, 26, 52, 1621, 3242, 6484, 21073, 42146, 84292, 239489, 478978, 957956, 3113357, 6226714, 12453428, 388211669, 776423338, 1552846676, 5046751697, 10093503394, 20187006788]

約数ペア:

[(1, 20187006788), (2, 10093503394), (4, 5046751697), (13, 1552846676), (26, 776423338), (52, 388211669), (1621, 12453428), (3242, 6226714), (6484, 3113357), (21073, 957956), (42146, 478978), (84292, 239489)]