20201360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10979}}^1$

素因数の和:11015

約数の個数: 40

約数和(自身を含む): 49014720

約数和(自身を除く): 28813360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10979, 21958, 43916, 54895, 87832, 109790, 175664, 219580, 252517, 439160, 505034, 878320, 1010068, 1262585, 2020136, 2525170, 4040272, 5050340, 10100680, 20201360]

約数ペア:

[(1, 20201360), (2, 10100680), (4, 5050340), (5, 4040272), (8, 2525170), (10, 2020136), (16, 1262585), (20, 1010068), (23, 878320), (40, 505034), (46, 439160), (80, 252517), (92, 219580), (115, 175664), (184, 109790), (230, 87832), (368, 54895), (460, 43916), (920, 21958), (1840, 10979)]