20270490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{823}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 48767616

約数和(自身を除く): 28497126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 821, 823, 1642, 1646, 2463, 2469, 4105, 4115, 4926, 4938, 8210, 8230, 12315, 12345, 24630, 24690, 675683, 1351366, 2027049, 3378415, 4054098, 6756830, 10135245, 20270490]

約数ペア:

[(1, 20270490), (2, 10135245), (3, 6756830), (5, 4054098), (6, 3378415), (10, 2027049), (15, 1351366), (30, 675683), (821, 24690), (823, 24630), (1642, 12345), (1646, 12315), (2463, 8230), (2469, 8210), (4105, 4938), (4115, 4926)]