20688546

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 43452288

約数和(自身を除く): 22763742

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 197, 394, 591, 761, 1182, 1522, 2283, 4531, 4566, 9062, 13593, 17503, 27186, 35006, 52509, 105018, 149917, 299834, 449751, 899502, 3448091, 6896182, 10344273, 20688546]

約数ペア:

[(1, 20688546), (2, 10344273), (3, 6896182), (6, 3448091), (23, 899502), (46, 449751), (69, 299834), (138, 149917), (197, 105018), (394, 52509), (591, 35006), (761, 27186), (1182, 17503), (1522, 13593), (2283, 9062), (4531, 4566)]