20416383

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 33039552

約数和(自身を除く): 12623169

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 403, 433, 507, 1209, 1299, 1521, 3627, 3897, 5239, 5629, 13423, 15717, 16887, 40269, 47151, 50661, 73177, 120807, 174499, 219531, 523497, 658593, 1570491, 2268487, 6805461, 20416383]

約数ペア:

[(1, 20416383), (3, 6805461), (9, 2268487), (13, 1570491), (31, 658593), (39, 523497), (93, 219531), (117, 174499), (169, 120807), (279, 73177), (403, 50661), (433, 47151), (507, 40269), (1209, 16887), (1299, 15717), (1521, 13423), (3627, 5629), (3897, 5239)]