20889430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 40233024

約数和(自身を除く): 19343594

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1193, 1751, 2386, 3502, 5965, 8755, 11930, 17510, 20281, 40562, 101405, 122879, 202810, 245758, 614395, 1228790, 2088943, 4177886, 10444715, 20889430]

約数ペア:

[(1, 20889430), (2, 10444715), (5, 4177886), (10, 2088943), (17, 1228790), (34, 614395), (85, 245758), (103, 202810), (170, 122879), (206, 101405), (515, 40562), (1030, 20281), (1193, 17510), (1751, 11930), (2386, 8755), (3502, 5965)]