20189047820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{2503}}^1$

素因数の和:2751

約数の個数: 96

約数和(自身を含む): 44311905792

約数和(自身を除く): 24122857972

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 113, 166, 172, 215, 226, 332, 415, 430, 452, 565, 830, 860, 1130, 1660, 2260, 2503, 3569, 4859, 5006, 7138, 9379, 9718, 10012, 12515, 14276, 17845, 18758, 19436, 24295, 25030, 35690, 37516, 46895, 48590, 50060, 71380, 93790, 97180, 107629, 187580, 207749, 215258, 282839, 403297, 415498, 430516, 538145, 565678, 806594, 830996, 1038745, 1076290, 1131356, 1414195, 1613188, 2016485, 2077490, 2152580, 2828390, 4032970, 4154980, 5656780, 8065940, 8933207, 12162077, 17866414, 23475637, 24324154, 35732828, 44666035, 46951274, 48648308, 60810385, 89332070, 93902548, 117378185, 121620770, 178664140, 234756370, 243241540, 469512740, 1009452391, 2018904782, 4037809564, 5047261955, 10094523910, 20189047820]

約数ペア:

[(1, 20189047820), (2, 10094523910), (4, 5047261955), (5, 4037809564), (10, 2018904782), (20, 1009452391), (43, 469512740), (83, 243241540), (86, 234756370), (113, 178664140), (166, 121620770), (172, 117378185), (215, 93902548), (226, 89332070), (332, 60810385), (415, 48648308), (430, 46951274), (452, 44666035), (565, 35732828), (830, 24324154), (860, 23475637), (1130, 17866414), (1660, 12162077), (2260, 8933207), (2503, 8065940), (3569, 5656780), (4859, 4154980), (5006, 4032970), (7138, 2828390), (9379, 2152580), (9718, 2077490), (10012, 2016485), (12515, 1613188), (14276, 1414195), (17845, 1131356), (18758, 1076290), (19436, 1038745), (24295, 830996), (25030, 806594), (35690, 565678), (37516, 538145), (46895, 430516), (48590, 415498), (50060, 403297), (71380, 282839), (93790, 215258), (97180, 207749), (107629, 187580)]