20406977175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3881}}^1\times {\mathrm{5393}}^1$

素因数の和:9300

約数の個数: 48

約数和(自身を含む): 36350985888

約数和(自身を除く): 15944008713

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 3881, 5393, 11643, 16179, 19405, 26965, 50453, 58215, 70109, 80895, 97025, 134825, 151359, 210327, 252265, 291075, 350545, 404475, 756795, 1051635, 1261325, 1752725, 3783975, 5258175, 20930233, 62790699, 104651165, 272093029, 313953495, 523255825, 816279087, 1360465145, 1569767475, 4081395435, 6802325725, 20406977175]

約数ペア:

[(1, 20406977175), (3, 6802325725), (5, 4081395435), (13, 1569767475), (15, 1360465145), (25, 816279087), (39, 523255825), (65, 313953495), (75, 272093029), (195, 104651165), (325, 62790699), (975, 20930233), (3881, 5258175), (5393, 3783975), (11643, 1752725), (16179, 1261325), (19405, 1051635), (26965, 756795), (50453, 404475), (58215, 350545), (70109, 291075), (80895, 252265), (97025, 210327), (134825, 151359)]