20201820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14639}}^1$

素因数の和:14674

約数の個数: 48

約数和(自身を含む): 59028480

約数和(自身を除く): 38826660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14639, 29278, 43917, 58556, 73195, 87834, 146390, 175668, 219585, 292780, 336697, 439170, 673394, 878340, 1010091, 1346788, 1683485, 2020182, 3366970, 4040364, 5050455, 6733940, 10100910, 20201820]

約数ペア:

[(1, 20201820), (2, 10100910), (3, 6733940), (4, 5050455), (5, 4040364), (6, 3366970), (10, 2020182), (12, 1683485), (15, 1346788), (20, 1010091), (23, 878340), (30, 673394), (46, 439170), (60, 336697), (69, 292780), (92, 219585), (115, 175668), (138, 146390), (230, 87834), (276, 73195), (345, 58556), (460, 43917), (690, 29278), (1380, 14639)]