20247980920

素因数分解:

$2^3\times 5^1\times {\mathrm{506199523}}^1$

素因数の和:506199534

約数の個数: 16

約数和(自身を含む): 45557957160

約数和(自身を除く): 25309976240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506199523, 1012399046, 2024798092, 2530997615, 4049596184, 5061995230, 10123990460, 20247980920]

約数ペア:

[(1, 20247980920), (2, 10123990460), (4, 5061995230), (5, 4049596184), (8, 2530997615), (10, 2024798092), (20, 1012399046), (40, 506199523)]