20363900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6569}}^1$

素因数の和:6614

約数の個数: 36

約数和(自身を含む): 45622080

約数和(自身を除く): 25258180

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6569, 13138, 26276, 32845, 65690, 131380, 164225, 203639, 328450, 407278, 656900, 814556, 1018195, 2036390, 4072780, 5090975, 10181950, 20363900]

約数ペア:

[(1, 20363900), (2, 10181950), (4, 5090975), (5, 4072780), (10, 2036390), (20, 1018195), (25, 814556), (31, 656900), (50, 407278), (62, 328450), (100, 203639), (124, 164225), (155, 131380), (310, 65690), (620, 32845), (775, 26276), (1550, 13138), (3100, 6569)]