20279260

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1801}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 42685776

約数和(自身を除く): 22406516

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1801, 2252, 2815, 3602, 5630, 7204, 9005, 11260, 18010, 36020, 1013963, 2027926, 4055852, 5069815, 10139630, 20279260]

約数ペア:

[(1, 20279260), (2, 10139630), (4, 5069815), (5, 4055852), (10, 2027926), (20, 1013963), (563, 36020), (1126, 18010), (1801, 11260), (2252, 9005), (2815, 7204), (3602, 5630)]