20145679980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11577977}}^1$

素因数の和:11578018

約数の個数: 48

約数和(自身を含む): 58353009120

約数和(自身を除く): 38207329140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11577977, 23155954, 34733931, 46311908, 57889885, 69467862, 115779770, 138935724, 173669655, 231559540, 335761333, 347339310, 671522666, 694678620, 1007283999, 1343045332, 1678806665, 2014567998, 3357613330, 4029135996, 5036419995, 6715226660, 10072839990, 20145679980]

約数ペア:

[(1, 20145679980), (2, 10072839990), (3, 6715226660), (4, 5036419995), (5, 4029135996), (6, 3357613330), (10, 2014567998), (12, 1678806665), (15, 1343045332), (20, 1007283999), (29, 694678620), (30, 671522666), (58, 347339310), (60, 335761333), (87, 231559540), (116, 173669655), (145, 138935724), (174, 115779770), (290, 69467862), (348, 57889885), (435, 46311908), (580, 34733931), (870, 23155954), (1740, 11577977)]