2191924220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1085111}}^1$

素因数の和:1085221

約数の個数: 24

約数和(自身を含む): 4648619808

約数和(自身を除く): 2456695588

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 1085111, 2170222, 4340444, 5425555, 10851110, 21702220, 109596211, 219192422, 438384844, 547981055, 1095962110, 2191924220]

約数ペア:

[(1, 2191924220), (2, 1095962110), (4, 547981055), (5, 438384844), (10, 219192422), (20, 109596211), (101, 21702220), (202, 10851110), (404, 5425555), (505, 4340444), (1010, 2170222), (2020, 1085111)]