20169797580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{868639}}^1$

素因数の和:868700

約数の個数: 96

約数和(自身を含む): 64209868800

約数和(自身を除く): 44040071220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 1161, 1290, 1548, 1935, 2322, 2580, 3870, 4644, 5805, 7740, 11610, 23220, 868639, 1737278, 2605917, 3474556, 4343195, 5211834, 7817751, 8686390, 10423668, 13029585, 15635502, 17372780, 23453253, 26059170, 31271004, 37351477, 39088755, 46906506, 52118340, 74702954, 78177510, 93813012, 112054431, 117266265, 149405908, 156355020, 186757385, 224108862, 234532530, 336163293, 373514770, 448217724, 469065060, 560272155, 672326586, 747029540, 1008489879, 1120544310, 1344653172, 1680816465, 2016979758, 2241088620, 3361632930, 4033959516, 5042449395, 6723265860, 10084898790, 20169797580]

約数ペア:

[(1, 20169797580), (2, 10084898790), (3, 6723265860), (4, 5042449395), (5, 4033959516), (6, 3361632930), (9, 2241088620), (10, 2016979758), (12, 1680816465), (15, 1344653172), (18, 1120544310), (20, 1008489879), (27, 747029540), (30, 672326586), (36, 560272155), (43, 469065060), (45, 448217724), (54, 373514770), (60, 336163293), (86, 234532530), (90, 224108862), (108, 186757385), (129, 156355020), (135, 149405908), (172, 117266265), (180, 112054431), (215, 93813012), (258, 78177510), (270, 74702954), (387, 52118340), (430, 46906506), (516, 39088755), (540, 37351477), (645, 31271004), (774, 26059170), (860, 23453253), (1161, 17372780), (1290, 15635502), (1548, 13029585), (1935, 10423668), (2322, 8686390), (2580, 7817751), (3870, 5211834), (4644, 4343195), (5805, 3474556), (7740, 2605917), (11610, 1737278), (23220, 868639)]