20197140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4261}}^1$

素因数の和:4352

約数の個数: 48

約数和(自身を含む): 57281280

約数和(自身を除く): 37084140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4261, 4740, 8522, 12783, 17044, 21305, 25566, 42610, 51132, 63915, 85220, 127830, 255660, 336619, 673238, 1009857, 1346476, 1683095, 2019714, 3366190, 4039428, 5049285, 6732380, 10098570, 20197140]

約数ペア:

[(1, 20197140), (2, 10098570), (3, 6732380), (4, 5049285), (5, 4039428), (6, 3366190), (10, 2019714), (12, 1683095), (15, 1346476), (20, 1009857), (30, 673238), (60, 336619), (79, 255660), (158, 127830), (237, 85220), (316, 63915), (395, 51132), (474, 42610), (790, 25566), (948, 21305), (1185, 17044), (1580, 12783), (2370, 8522), (4261, 4740)]