20405922

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2207}}^1$

素因数の和:2302

約数の個数: 32

約数和(自身を含む): 43241472

約数和(自身を除く): 22835550

約数列:

[1, 2, 3, 6, 23, 46, 67, 69, 134, 138, 201, 402, 1541, 2207, 3082, 4414, 4623, 6621, 9246, 13242, 50761, 101522, 147869, 152283, 295738, 304566, 443607, 887214, 3400987, 6801974, 10202961, 20405922]

約数ペア:

[(1, 20405922), (2, 10202961), (3, 6801974), (6, 3400987), (23, 887214), (46, 443607), (67, 304566), (69, 295738), (134, 152283), (138, 147869), (201, 101522), (402, 50761), (1541, 13242), (2207, 9246), (3082, 6621), (4414, 4623)]