20897664

素因数分解:

$2^7\times 3^1\times {\mathrm{54421}}^1$

素因数の和:54438

約数の個数: 32

約数和(自身を含む): 55510440

約数和(自身を除く): 34612776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 54421, 108842, 163263, 217684, 326526, 435368, 653052, 870736, 1306104, 1741472, 2612208, 3482944, 5224416, 6965888, 10448832, 20897664]

約数ペア:

[(1, 20897664), (2, 10448832), (3, 6965888), (4, 5224416), (6, 3482944), (8, 2612208), (12, 1741472), (16, 1306104), (24, 870736), (32, 653052), (48, 435368), (64, 326526), (96, 217684), (128, 163263), (192, 108842), (384, 54421)]