20943932

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4597}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 39395664

約数和(自身を除く): 18451732

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 4597, 9194, 18388, 78149, 156298, 307999, 312596, 615998, 1231996, 5235983, 10471966, 20943932]

約数ペア:

[(1, 20943932), (2, 10471966), (4, 5235983), (17, 1231996), (34, 615998), (67, 312596), (68, 307999), (134, 156298), (268, 78149), (1139, 18388), (2278, 9194), (4556, 4597)]