20325230

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 17928370

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 643, 1090, 1286, 3161, 3215, 6322, 6430, 15805, 18647, 31610, 37294, 70087, 93235, 140174, 186470, 350435, 700870, 2032523, 4065046, 10162615, 20325230]

約数ペア:

[(1, 20325230), (2, 10162615), (5, 4065046), (10, 2032523), (29, 700870), (58, 350435), (109, 186470), (145, 140174), (218, 93235), (290, 70087), (545, 37294), (643, 31610), (1090, 18647), (1286, 15805), (3161, 6430), (3215, 6322)]