20001984933

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{223219}}^1$

素因数の和:223497

約数の個数: 32

約数和(自身を含む): 32400829440

約数和(自身を除く): 12398844507

約数列:

[1, 3, 7, 17, 21, 51, 119, 251, 357, 753, 1757, 4267, 5271, 12801, 29869, 89607, 223219, 669657, 1562533, 3794723, 4687599, 11384169, 26563061, 56027969, 79689183, 168083907, 392195783, 952475473, 1176587349, 2857426419, 6667328311, 20001984933]

約数ペア:

[(1, 20001984933), (3, 6667328311), (7, 2857426419), (17, 1176587349), (21, 952475473), (51, 392195783), (119, 168083907), (251, 79689183), (357, 56027969), (753, 26563061), (1757, 11384169), (4267, 4687599), (5271, 3794723), (12801, 1562533), (29869, 669657), (89607, 223219)]