20350590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52181}}^1$

素因数の和:52204

約数の個数: 32

約数和(自身を含む): 52599456

約数和(自身を除く): 32248866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52181, 104362, 156543, 260905, 313086, 521810, 678353, 782715, 1356706, 1565430, 2035059, 3391765, 4070118, 6783530, 10175295, 20350590]

約数ペア:

[(1, 20350590), (2, 10175295), (3, 6783530), (5, 4070118), (6, 3391765), (10, 2035059), (13, 1565430), (15, 1356706), (26, 782715), (30, 678353), (39, 521810), (65, 313086), (78, 260905), (130, 156543), (195, 104362), (390, 52181)]