20056155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{761}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 36868608

約数和(自身を除く): 16812453

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 761, 1255, 1757, 2283, 3765, 3805, 5271, 5327, 8785, 11415, 15981, 26355, 26635, 79905, 191011, 573033, 955055, 1337077, 2865165, 4011231, 6685385, 20056155]

約数ペア:

[(1, 20056155), (3, 6685385), (5, 4011231), (7, 2865165), (15, 1337077), (21, 955055), (35, 573033), (105, 191011), (251, 79905), (753, 26635), (761, 26355), (1255, 15981), (1757, 11415), (2283, 8785), (3765, 5327), (3805, 5271)]