20402270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1307}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 42190848

約数和(自身を除く): 21788578

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1307, 1561, 2230, 2614, 3122, 6535, 7805, 9149, 13070, 15610, 18298, 45745, 91490, 291461, 582922, 1457305, 2040227, 2914610, 4080454, 10201135, 20402270]

約数ペア:

[(1, 20402270), (2, 10201135), (5, 4080454), (7, 2914610), (10, 2040227), (14, 1457305), (35, 582922), (70, 291461), (223, 91490), (446, 45745), (1115, 18298), (1307, 15610), (1561, 13070), (2230, 9149), (2614, 7805), (3122, 6535)]