20123773285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{134369}}^1$

素因数の和:134781

約数の個数: 32

約数和(自身を含む): 30184876800

約数和(自身を除く): 10061103515

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 389, 1945, 2723, 4279, 13615, 21395, 29953, 134369, 149765, 671845, 940583, 1478059, 4702915, 7390295, 10346413, 51732065, 52269541, 261347705, 365886787, 574964951, 1829433935, 2874824755, 4024754657, 20123773285]

約数ペア:

[(1, 20123773285), (5, 4024754657), (7, 2874824755), (11, 1829433935), (35, 574964951), (55, 365886787), (77, 261347705), (385, 52269541), (389, 51732065), (1945, 10346413), (2723, 7390295), (4279, 4702915), (13615, 1478059), (21395, 940583), (29953, 671845), (134369, 149765)]