20294720

素因数分解:

$2^6\times 5^1\times {\mathrm{63421}}^1$

素因数の和:63438

約数の個数: 28

約数和(自身を含む): 48327564

約数和(自身を除く): 28032844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63421, 126842, 253684, 317105, 507368, 634210, 1014736, 1268420, 2029472, 2536840, 4058944, 5073680, 10147360, 20294720]

約数ペア:

[(1, 20294720), (2, 10147360), (4, 5073680), (5, 4058944), (8, 2536840), (10, 2029472), (16, 1268420), (20, 1014736), (32, 634210), (40, 507368), (64, 317105), (80, 253684), (160, 126842), (320, 63421)]