20961456

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{14087}}^1$

素因数の和:14129

約数の個数: 40

約数和(自身を含む): 55901184

約数和(自身を除く): 34939728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 14087, 28174, 42261, 56348, 84522, 112696, 169044, 225392, 338088, 436697, 676176, 873394, 1310091, 1746788, 2620182, 3493576, 5240364, 6987152, 10480728, 20961456]

約数ペア:

[(1, 20961456), (2, 10480728), (3, 6987152), (4, 5240364), (6, 3493576), (8, 2620182), (12, 1746788), (16, 1310091), (24, 873394), (31, 676176), (48, 436697), (62, 338088), (93, 225392), (124, 169044), (186, 112696), (248, 84522), (372, 56348), (496, 42261), (744, 28174), (1488, 14087)]