20645344

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37951}}^1$

素因数の和:37978

約数の個数: 24

約数和(自身を含む): 43037568

約数和(自身を除く): 22392224

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37951, 75902, 151804, 303608, 607216, 645167, 1214432, 1290334, 2580668, 5161336, 10322672, 20645344]

約数ペア:

[(1, 20645344), (2, 10322672), (4, 5161336), (8, 2580668), (16, 1290334), (17, 1214432), (32, 645167), (34, 607216), (68, 303608), (136, 151804), (272, 75902), (544, 37951)]