20533712

素因数分解:

$2^4\times {\mathrm{683}}^1\times {\mathrm{1879}}^1$

素因数の和:2570

約数の個数: 20

約数和(自身を含む): 39863520

約数和(自身を除く): 19329808

約数列:

[1, 2, 4, 8, 16, 683, 1366, 1879, 2732, 3758, 5464, 7516, 10928, 15032, 30064, 1283357, 2566714, 5133428, 10266856, 20533712]

約数ペア:

[(1, 20533712), (2, 10266856), (4, 5133428), (8, 2566714), (16, 1283357), (683, 30064), (1366, 15032), (1879, 10928), (2732, 7516), (3758, 5464)]