20217390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4463}}^1$

素因数の和:4624

約数の個数: 32

約数和(自身を含む): 48854016

約数和(自身を除く): 28636626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4463, 4530, 8926, 13389, 22315, 26778, 44630, 66945, 133890, 673913, 1347826, 2021739, 3369565, 4043478, 6739130, 10108695, 20217390]

約数ペア:

[(1, 20217390), (2, 10108695), (3, 6739130), (5, 4043478), (6, 3369565), (10, 2021739), (15, 1347826), (30, 673913), (151, 133890), (302, 66945), (453, 44630), (755, 26778), (906, 22315), (1510, 13389), (2265, 8926), (4463, 4530)]