20007645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 17006115

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2141, 3115, 6423, 9345, 10705, 14987, 32115, 44961, 74935, 190549, 224805, 571647, 952745, 1333843, 2858235, 4001529, 6669215, 20007645]

約数ペア:

[(1, 20007645), (3, 6669215), (5, 4001529), (7, 2858235), (15, 1333843), (21, 952745), (35, 571647), (89, 224805), (105, 190549), (267, 74935), (445, 44961), (623, 32115), (1335, 14987), (1869, 10705), (2141, 9345), (3115, 6423)]