200019990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{20143}}^1$

素因数の和:20484

約数の個数: 32

約数和(自身を含む): 481522176

約数和(自身を除く): 281502186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 3310, 4965, 9930, 20143, 40286, 60429, 100715, 120858, 201430, 302145, 604290, 6667333, 13334666, 20001999, 33336665, 40003998, 66673330, 100009995, 200019990]

約数ペア:

[(1, 200019990), (2, 100009995), (3, 66673330), (5, 40003998), (6, 33336665), (10, 20001999), (15, 13334666), (30, 6667333), (331, 604290), (662, 302145), (993, 201430), (1655, 120858), (1986, 100715), (3310, 60429), (4965, 40286), (9930, 20143)]