20300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1$

素因数の和:50

約数の個数: 36

約数和(自身を含む): 52080

約数和(自身を除く): 31780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 2030, 2900, 4060, 5075, 10150, 20300]

約数ペア:

[(1, 20300), (2, 10150), (4, 5075), (5, 4060), (7, 2900), (10, 2030), (14, 1450), (20, 1015), (25, 812), (28, 725), (29, 700), (35, 580), (50, 406), (58, 350), (70, 290), (100, 203), (116, 175), (140, 145)]