20198924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2137}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 37714320

約数和(自身を除く): 17515396

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2137, 2363, 4274, 4726, 8548, 9452, 36329, 72658, 145316, 297043, 594086, 1188172, 5049731, 10099462, 20198924]

約数ペア:

[(1, 20198924), (2, 10099462), (4, 5049731), (17, 1188172), (34, 594086), (68, 297043), (139, 145316), (278, 72658), (556, 36329), (2137, 9452), (2363, 8548), (4274, 4726)]