20403291288

素因数分解:

$2^3\times 3^1\times {\mathrm{13537}}^1\times {\mathrm{62801}}^1$

素因数の和:76347

約数の個数: 32

約数和(自身を含む): 51012808560

約数和(自身を除く): 30609517272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 13537, 27074, 40611, 54148, 62801, 81222, 108296, 125602, 162444, 188403, 251204, 324888, 376806, 502408, 753612, 1507224, 850137137, 1700274274, 2550411411, 3400548548, 5100822822, 6801097096, 10201645644, 20403291288]

約数ペア:

[(1, 20403291288), (2, 10201645644), (3, 6801097096), (4, 5100822822), (6, 3400548548), (8, 2550411411), (12, 1700274274), (24, 850137137), (13537, 1507224), (27074, 753612), (40611, 502408), (54148, 376806), (62801, 324888), (81222, 251204), (108296, 188403), (125602, 162444)]