30520820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138731}}^1$

素因数の和:138751

約数の個数: 24

約数和(自身を含む): 69920928

約数和(自身を除く): 39400108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 138731, 277462, 554924, 693655, 1387310, 1526041, 2774620, 3052082, 6104164, 7630205, 15260410, 30520820]

約数ペア:

[(1, 30520820), (2, 15260410), (4, 7630205), (5, 6104164), (10, 3052082), (11, 2774620), (20, 1526041), (22, 1387310), (44, 693655), (55, 554924), (110, 277462), (220, 138731)]