20807868962

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{16901}}^1$

素因数の和:17282

約数の個数: 32

約数和(自身を含む): 33222571200

約数和(自身を除く): 12414702238

約数列:

[1, 2, 19, 38, 179, 181, 358, 362, 3401, 3439, 6802, 6878, 16901, 32399, 33802, 64798, 321119, 615581, 642238, 1231162, 3025279, 3059081, 6050558, 6118162, 57480301, 58122539, 114960602, 116245078, 547575499, 1095150998, 10403934481, 20807868962]

約数ペア:

[(1, 20807868962), (2, 10403934481), (19, 1095150998), (38, 547575499), (179, 116245078), (181, 114960602), (358, 58122539), (362, 57480301), (3401, 6118162), (3439, 6050558), (6802, 3059081), (6878, 3025279), (16901, 1231162), (32399, 642238), (33802, 615581), (64798, 321119)]