20697474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16993}}^1$

素因数の和:17034

約数の個数: 32

約数和(自身を含む): 48942720

約数和(自身を除く): 28245246

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 16993, 33986, 50979, 101958, 118951, 237902, 356853, 492797, 713706, 985594, 1478391, 2956782, 3449579, 6899158, 10348737, 20697474]

約数ペア:

[(1, 20697474), (2, 10348737), (3, 6899158), (6, 3449579), (7, 2956782), (14, 1478391), (21, 985594), (29, 713706), (42, 492797), (58, 356853), (87, 237902), (174, 118951), (203, 101958), (406, 50979), (609, 33986), (1218, 16993)]