20975518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{367}}^1$

素因数の和:468

約数の個数: 24

約数和(自身を含む): 34239456

約数和(自身を除く): 13263938

約数列:

[1, 2, 17, 34, 41, 82, 367, 697, 734, 1394, 1681, 3362, 6239, 12478, 15047, 28577, 30094, 57154, 255799, 511598, 616927, 1233854, 10487759, 20975518]

約数ペア:

[(1, 20975518), (2, 10487759), (17, 1233854), (34, 616927), (41, 511598), (82, 255799), (367, 57154), (697, 30094), (734, 28577), (1394, 15047), (1681, 12478), (3362, 6239)]