20357950

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 39461760

約数和(自身を除く): 19103810

約数列:

[1, 2, 5, 10, 25, 50, 59, 67, 103, 118, 134, 206, 295, 335, 515, 590, 670, 1030, 1475, 1675, 2575, 2950, 3350, 3953, 5150, 6077, 6901, 7906, 12154, 13802, 19765, 30385, 34505, 39530, 60770, 69010, 98825, 151925, 172525, 197650, 303850, 345050, 407159, 814318, 2035795, 4071590, 10178975, 20357950]

約数ペア:

[(1, 20357950), (2, 10178975), (5, 4071590), (10, 2035795), (25, 814318), (50, 407159), (59, 345050), (67, 303850), (103, 197650), (118, 172525), (134, 151925), (206, 98825), (295, 69010), (335, 60770), (515, 39530), (590, 34505), (670, 30385), (1030, 19765), (1475, 13802), (1675, 12154), (2575, 7906), (2950, 6901), (3350, 6077), (3953, 5150)]