20868152355

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{62591}}^1$

素因数の和:62872

約数の個数: 48

約数和(自身を含む): 37495111680

約数和(自身を除く): 16626959325

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 239, 279, 465, 717, 1195, 1395, 2151, 3585, 7409, 10755, 22227, 37045, 62591, 66681, 111135, 187773, 312955, 333405, 563319, 938865, 1940321, 2816595, 5820963, 9701605, 14959249, 17462889, 29104815, 44877747, 74796245, 87314445, 134633241, 224388735, 463736719, 673166205, 1391210157, 2318683595, 4173630471, 6956050785, 20868152355]

約数ペア:

[(1, 20868152355), (3, 6956050785), (5, 4173630471), (9, 2318683595), (15, 1391210157), (31, 673166205), (45, 463736719), (93, 224388735), (155, 134633241), (239, 87314445), (279, 74796245), (465, 44877747), (717, 29104815), (1195, 17462889), (1395, 14959249), (2151, 9701605), (3585, 5820963), (7409, 2816595), (10755, 1940321), (22227, 938865), (37045, 563319), (62591, 333405), (66681, 312955), (111135, 187773)]