20642892

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 31450548

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2447, 2812, 4218, 4894, 7341, 8436, 9788, 14682, 29364, 46493, 90539, 92986, 139479, 181078, 185972, 271617, 278958, 362156, 543234, 557916, 1086468, 1720241, 3440482, 5160723, 6880964, 10321446, 20642892]

約数ペア:

[(1, 20642892), (2, 10321446), (3, 6880964), (4, 5160723), (6, 3440482), (12, 1720241), (19, 1086468), (37, 557916), (38, 543234), (57, 362156), (74, 278958), (76, 271617), (111, 185972), (114, 181078), (148, 139479), (222, 92986), (228, 90539), (444, 46493), (703, 29364), (1406, 14682), (2109, 9788), (2447, 8436), (2812, 7341), (4218, 4894)]