20238556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 40010656

約数和(自身を除く): 19772100

約数列:

[1, 2, 4, 13, 26, 37, 52, 67, 74, 134, 148, 157, 268, 314, 481, 628, 871, 962, 1742, 1924, 2041, 2479, 3484, 4082, 4958, 5809, 8164, 9916, 10519, 11618, 21038, 23236, 32227, 42076, 64454, 75517, 128908, 136747, 151034, 273494, 302068, 389203, 546988, 778406, 1556812, 5059639, 10119278, 20238556]

約数ペア:

[(1, 20238556), (2, 10119278), (4, 5059639), (13, 1556812), (26, 778406), (37, 546988), (52, 389203), (67, 302068), (74, 273494), (134, 151034), (148, 136747), (157, 128908), (268, 75517), (314, 64454), (481, 42076), (628, 32227), (871, 23236), (962, 21038), (1742, 11618), (1924, 10519), (2041, 9916), (2479, 8164), (3484, 5809), (4082, 4958)]