20673660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49223}}^1$

素因数の和:49242

約数の個数: 48

約数和(自身を含む): 66157056

約数和(自身を除く): 45483396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49223, 98446, 147669, 196892, 246115, 295338, 344561, 492230, 590676, 689122, 738345, 984460, 1033683, 1378244, 1476690, 1722805, 2067366, 2953380, 3445610, 4134732, 5168415, 6891220, 10336830, 20673660]

約数ペア:

[(1, 20673660), (2, 10336830), (3, 6891220), (4, 5168415), (5, 4134732), (6, 3445610), (7, 2953380), (10, 2067366), (12, 1722805), (14, 1476690), (15, 1378244), (20, 1033683), (21, 984460), (28, 738345), (30, 689122), (35, 590676), (42, 492230), (60, 344561), (70, 295338), (84, 246115), (105, 196892), (140, 147669), (210, 98446), (420, 49223)]