20916636660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{848201}}^1$

素因数の和:848353

約数の個数: 72

約数和(自身を含む): 63910324296

約数和(自身を除く): 42993687636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 4110, 4932, 6165, 8220, 12330, 24660, 848201, 1696402, 2544603, 3392804, 4241005, 5089206, 7633809, 8482010, 10178412, 12723015, 15267618, 16964020, 25446030, 30535236, 38169045, 50892060, 76338090, 116203537, 152676180, 232407074, 348610611, 464814148, 581017685, 697221222, 1045831833, 1162035370, 1394442444, 1743053055, 2091663666, 2324070740, 3486106110, 4183327332, 5229159165, 6972212220, 10458318330, 20916636660]

約数ペア:

[(1, 20916636660), (2, 10458318330), (3, 6972212220), (4, 5229159165), (5, 4183327332), (6, 3486106110), (9, 2324070740), (10, 2091663666), (12, 1743053055), (15, 1394442444), (18, 1162035370), (20, 1045831833), (30, 697221222), (36, 581017685), (45, 464814148), (60, 348610611), (90, 232407074), (137, 152676180), (180, 116203537), (274, 76338090), (411, 50892060), (548, 38169045), (685, 30535236), (822, 25446030), (1233, 16964020), (1370, 15267618), (1644, 12723015), (2055, 10178412), (2466, 8482010), (2740, 7633809), (4110, 5089206), (4932, 4241005), (6165, 3392804), (8220, 2544603), (12330, 1696402), (24660, 848201)]