20649942

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{11827}}^1$

素因数の和:11932

約数の個数: 24

約数和(自身を含む): 45206616

約数和(自身を除く): 24556674

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 11827, 23654, 35481, 70962, 106443, 212886, 1147219, 2294438, 3441657, 6883314, 10324971, 20649942]

約数ペア:

[(1, 20649942), (2, 10324971), (3, 6883314), (6, 3441657), (9, 2294438), (18, 1147219), (97, 212886), (194, 106443), (291, 70962), (582, 35481), (873, 23654), (1746, 11827)]