20187172028

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{3517}}^1\times {\mathrm{38783}}^1$

素因数の和:42341

約数の個数: 24

約数和(自身を含む): 36293601792

約数和(自身を除く): 16106429764

約数列:

[1, 2, 4, 37, 74, 148, 3517, 7034, 14068, 38783, 77566, 130129, 155132, 260258, 520516, 1434971, 2869942, 5739884, 136399811, 272799622, 545599244, 5046793007, 10093586014, 20187172028]

約数ペア:

[(1, 20187172028), (2, 10093586014), (4, 5046793007), (37, 545599244), (74, 272799622), (148, 136399811), (3517, 5739884), (7034, 2869942), (14068, 1434971), (38783, 520516), (77566, 260258), (130129, 155132)]