20667060477

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{26539}}^1$

素因数の和:26862

約数の個数: 48

約数和(自身を含む): 34976747520

約数和(自身を除く): 14309687043

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 263, 329, 423, 789, 987, 1841, 2367, 2961, 5523, 12361, 16569, 26539, 37083, 79617, 86527, 111249, 185773, 238851, 259581, 557319, 778743, 1247333, 1671957, 3741999, 6979757, 8731331, 11225997, 20939271, 26193993, 48858299, 62817813, 78581979, 146574897, 328048579, 439724691, 984145737, 2296340053, 2952437211, 6889020159, 20667060477]

約数ペア:

[(1, 20667060477), (3, 6889020159), (7, 2952437211), (9, 2296340053), (21, 984145737), (47, 439724691), (63, 328048579), (141, 146574897), (263, 78581979), (329, 62817813), (423, 48858299), (789, 26193993), (987, 20939271), (1841, 11225997), (2367, 8731331), (2961, 6979757), (5523, 3741999), (12361, 1671957), (16569, 1247333), (26539, 778743), (37083, 557319), (79617, 259581), (86527, 238851), (111249, 185773)]