138820020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2313667}}^1$

素因数の和:2313679

約数の個数: 24

約数和(自身を含む): 388696224

約数和(自身を除く): 249876204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2313667, 4627334, 6941001, 9254668, 11568335, 13882002, 23136670, 27764004, 34705005, 46273340, 69410010, 138820020]

約数ペア:

[(1, 138820020), (2, 69410010), (3, 46273340), (4, 34705005), (5, 27764004), (6, 23136670), (10, 13882002), (12, 11568335), (15, 9254668), (20, 6941001), (30, 4627334), (60, 2313667)]