20657174

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 33981120

約数和(自身を除く): 13323946

約数列:

[1, 2, 23, 37, 46, 53, 74, 106, 229, 458, 851, 1219, 1702, 1961, 2438, 3922, 5267, 8473, 10534, 12137, 16946, 24274, 45103, 90206, 194879, 279151, 389758, 449069, 558302, 898138, 10328587, 20657174]

約数ペア:

[(1, 20657174), (2, 10328587), (23, 898138), (37, 558302), (46, 449069), (53, 389758), (74, 279151), (106, 194879), (229, 90206), (458, 45103), (851, 24274), (1219, 16946), (1702, 12137), (1961, 10534), (2438, 8473), (3922, 5267)]