20330768

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4139}}^1$

素因数の和:4454

約数の個数: 20

約数和(自身を含む): 39528720

約数和(自身を除く): 19197952

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4139, 4912, 8278, 16556, 33112, 66224, 1270673, 2541346, 5082692, 10165384, 20330768]

約数ペア:

[(1, 20330768), (2, 10165384), (4, 5082692), (8, 2541346), (16, 1270673), (307, 66224), (614, 33112), (1228, 16556), (2456, 8278), (4139, 4912)]