20119610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1459}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 41627520

約数和(自身を除く): 21507910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1459, 1970, 2758, 2918, 6895, 7295, 10213, 13790, 14590, 20426, 51065, 102130, 287423, 574846, 1437115, 2011961, 2874230, 4023922, 10059805, 20119610]

約数ペア:

[(1, 20119610), (2, 10059805), (5, 4023922), (7, 2874230), (10, 2011961), (14, 1437115), (35, 574846), (70, 287423), (197, 102130), (394, 51065), (985, 20426), (1379, 14590), (1459, 13790), (1970, 10213), (2758, 7295), (2918, 6895)]