2021981980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4395613}}^1$

素因数の和:4395645

約数の個数: 24

約数和(自身を含む): 4430778912

約数和(自身を除く): 2408796932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 4395613, 8791226, 17582452, 21978065, 43956130, 87912260, 101099099, 202198198, 404396396, 505495495, 1010990990, 2021981980]

約数ペア:

[(1, 2021981980), (2, 1010990990), (4, 505495495), (5, 404396396), (10, 202198198), (20, 101099099), (23, 87912260), (46, 43956130), (92, 21978065), (115, 17582452), (230, 8791226), (460, 4395613)]