20438367033

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1\times {\mathrm{51871}}^1$

素因数の和:52557

約数の個数: 32

約数和(自身を含む): 32268533760

約数和(自身を除く): 11830166727

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 647, 1941, 4529, 13587, 18763, 51871, 56289, 131341, 155613, 363097, 394023, 1089291, 1504259, 4512777, 10529813, 31589439, 33560537, 100681611, 234923759, 704771277, 973255573, 2919766719, 6812789011, 20438367033]

約数ペア:

[(1, 20438367033), (3, 6812789011), (7, 2919766719), (21, 973255573), (29, 704771277), (87, 234923759), (203, 100681611), (609, 33560537), (647, 31589439), (1941, 10529813), (4529, 4512777), (13587, 1504259), (18763, 1089291), (51871, 394023), (56289, 363097), (131341, 155613)]