20512110256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{20771}}^1$

素因数の和:21002

約数の個数: 80

約数和(自身を含む): 45003119616

約数和(自身を除く): 24491009360

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 181, 248, 341, 362, 496, 682, 724, 1364, 1448, 1991, 2728, 2896, 3982, 5456, 5611, 7964, 11222, 15928, 20771, 22444, 31856, 41542, 44888, 61721, 83084, 89776, 123442, 166168, 228481, 246884, 332336, 456962, 493768, 643901, 913924, 987536, 1287802, 1827848, 2575604, 3655696, 3759551, 5151208, 7082911, 7519102, 10302416, 14165822, 15038204, 28331644, 30076408, 41355061, 56663288, 60152816, 82710122, 113326576, 116546081, 165420244, 233092162, 330840488, 466184324, 661680976, 932368648, 1282006891, 1864737296, 2564013782, 5128027564, 10256055128, 20512110256]

約数ペア:

[(1, 20512110256), (2, 10256055128), (4, 5128027564), (8, 2564013782), (11, 1864737296), (16, 1282006891), (22, 932368648), (31, 661680976), (44, 466184324), (62, 330840488), (88, 233092162), (124, 165420244), (176, 116546081), (181, 113326576), (248, 82710122), (341, 60152816), (362, 56663288), (496, 41355061), (682, 30076408), (724, 28331644), (1364, 15038204), (1448, 14165822), (1991, 10302416), (2728, 7519102), (2896, 7082911), (3982, 5151208), (5456, 3759551), (5611, 3655696), (7964, 2575604), (11222, 1827848), (15928, 1287802), (20771, 987536), (22444, 913924), (31856, 643901), (41542, 493768), (44888, 456962), (61721, 332336), (83084, 246884), (89776, 228481), (123442, 166168)]