20550390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97859}}^1$

素因数の和:97876

約数の個数: 32

約数和(自身を含む): 56367360

約数和(自身を除く): 35816970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97859, 195718, 293577, 489295, 587154, 685013, 978590, 1370026, 1467885, 2055039, 2935770, 3425065, 4110078, 6850130, 10275195, 20550390]

約数ペア:

[(1, 20550390), (2, 10275195), (3, 6850130), (5, 4110078), (6, 3425065), (7, 2935770), (10, 2055039), (14, 1467885), (15, 1370026), (21, 978590), (30, 685013), (35, 587154), (42, 489295), (70, 293577), (105, 195718), (210, 97859)]