20864370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5309}}^1$

素因数の和:5450

約数の個数: 32

約数和(自身を含む): 50466240

約数和(自身を除く): 29601870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5309, 10618, 15927, 26545, 31854, 53090, 79635, 159270, 695479, 1390958, 2086437, 3477395, 4172874, 6954790, 10432185, 20864370]

約数ペア:

[(1, 20864370), (2, 10432185), (3, 6954790), (5, 4172874), (6, 3477395), (10, 2086437), (15, 1390958), (30, 695479), (131, 159270), (262, 79635), (393, 53090), (655, 31854), (786, 26545), (1310, 15927), (1965, 10618), (3930, 5309)]