20404828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2971}}^1$

素因数の和:3093

約数の個数: 24

約数和(自身を含む): 38196144

約数和(自身を除く): 17791316

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 2971, 3434, 5942, 6868, 11884, 50507, 101014, 202028, 300071, 600142, 1200284, 5101207, 10202414, 20404828]

約数ペア:

[(1, 20404828), (2, 10202414), (4, 5101207), (17, 1200284), (34, 600142), (68, 300071), (101, 202028), (202, 101014), (404, 50507), (1717, 11884), (2971, 6868), (3434, 5942)]