20805216328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5406761}}^1$

素因数の和:5406817

約数の個数: 32

約数和(自身を含む): 43145960760

約数和(自身を除く): 22340744432

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5406761, 10813522, 21627044, 43254088, 70287893, 140575786, 200050157, 281151572, 400100314, 562303144, 800200628, 1600401256, 2600652041, 5201304082, 10402608164, 20805216328]

約数ペア:

[(1, 20805216328), (2, 10402608164), (4, 5201304082), (8, 2600652041), (13, 1600401256), (26, 800200628), (37, 562303144), (52, 400100314), (74, 281151572), (104, 200050157), (148, 140575786), (296, 70287893), (481, 43254088), (962, 21627044), (1924, 10813522), (3848, 5406761)]