20202690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15661}}^1$

素因数の和:15714

約数の個数: 32

約数和(自身を含む): 49617216

約数和(自身を除く): 29414526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15661, 31322, 46983, 78305, 93966, 156610, 234915, 469830, 673423, 1346846, 2020269, 3367115, 4040538, 6734230, 10101345, 20202690]

約数ペア:

[(1, 20202690), (2, 10101345), (3, 6734230), (5, 4040538), (6, 3367115), (10, 2020269), (15, 1346846), (30, 673423), (43, 469830), (86, 234915), (129, 156610), (215, 93966), (258, 78305), (430, 46983), (645, 31322), (1290, 15661)]