66207220

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{4373}}^1$

素因数の和:5139

約数の個数: 24

約数和(自身を含む): 139250664

約数和(自身を除く): 73043444

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 4373, 7570, 8746, 15140, 17492, 21865, 43730, 87460, 3310361, 6620722, 13241444, 16551805, 33103610, 66207220]

約数ペア:

[(1, 66207220), (2, 33103610), (4, 16551805), (5, 13241444), (10, 6620722), (20, 3310361), (757, 87460), (1514, 43730), (3028, 21865), (3785, 17492), (4373, 15140), (7570, 8746)]