20415008

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6577}}^1$

素因数の和:6684

約数の個数: 24

約数和(自身を含む): 40612572

約数和(自身を除く): 20197564

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6577, 13154, 26308, 52616, 105232, 210464, 637969, 1275938, 2551876, 5103752, 10207504, 20415008]

約数ペア:

[(1, 20415008), (2, 10207504), (4, 5103752), (8, 2551876), (16, 1275938), (32, 637969), (97, 210464), (194, 105232), (388, 52616), (776, 26308), (1552, 13154), (3104, 6577)]