20568388

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{751}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 37142784

約数和(自身を除く): 16574396

約数列:

[1, 2, 4, 41, 82, 164, 167, 334, 668, 751, 1502, 3004, 6847, 13694, 27388, 30791, 61582, 123164, 125417, 250834, 501668, 5142097, 10284194, 20568388]

約数ペア:

[(1, 20568388), (2, 10284194), (4, 5142097), (41, 501668), (82, 250834), (164, 125417), (167, 123164), (334, 61582), (668, 30791), (751, 27388), (1502, 13694), (3004, 6847)]