20567416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3517}}^1$

素因数の和:3583

約数の個数: 32

約数和(自身を含む): 41793840

約数和(自身を除く): 21226424

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3517, 5848, 7034, 14068, 28136, 59789, 119578, 151231, 239156, 302462, 478312, 604924, 1209848, 2570927, 5141854, 10283708, 20567416]

約数ペア:

[(1, 20567416), (2, 10283708), (4, 5141854), (8, 2570927), (17, 1209848), (34, 604924), (43, 478312), (68, 302462), (86, 239156), (136, 151231), (172, 119578), (344, 59789), (731, 28136), (1462, 14068), (2924, 7034), (3517, 5848)]