20098880

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:711

約数の個数: 56

約数和(自身を含む): 48390048

約数和(自身を除く): 28291168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 587, 856, 1070, 1174, 1712, 2140, 2348, 2935, 3424, 4280, 4696, 5870, 6848, 8560, 9392, 11740, 17120, 18784, 23480, 34240, 37568, 46960, 62809, 93920, 125618, 187840, 251236, 314045, 502472, 628090, 1004944, 1256180, 2009888, 2512360, 4019776, 5024720, 10049440, 20098880]

約数ペア:

[(1, 20098880), (2, 10049440), (4, 5024720), (5, 4019776), (8, 2512360), (10, 2009888), (16, 1256180), (20, 1004944), (32, 628090), (40, 502472), (64, 314045), (80, 251236), (107, 187840), (160, 125618), (214, 93920), (320, 62809), (428, 46960), (535, 37568), (587, 34240), (856, 23480), (1070, 18784), (1174, 17120), (1712, 11740), (2140, 9392), (2348, 8560), (2935, 6848), (3424, 5870), (4280, 4696)]