20449930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{467}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 17963510

約数列:

[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 467, 755, 934, 1510, 2335, 4379, 4670, 8758, 13543, 21895, 27086, 43790, 67715, 70517, 135430, 141034, 352585, 705170, 2044993, 4089986, 10224965, 20449930]

約数ペア:

[(1, 20449930), (2, 10224965), (5, 4089986), (10, 2044993), (29, 705170), (58, 352585), (145, 141034), (151, 135430), (290, 70517), (302, 67715), (467, 43790), (755, 27086), (934, 21895), (1510, 13543), (2335, 8758), (4379, 4670)]