20199335940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{11779}}^1$

素因数の和:13162

約数の個数: 144

約数和(自身を含む): 70081764480

約数和(自身を除く): 49882428540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1361, 2722, 4083, 5444, 6805, 8166, 9527, 11779, 12249, 13610, 16332, 19054, 20415, 23558, 24498, 27220, 28581, 35337, 38108, 40830, 47116, 47635, 48996, 57162, 58895, 61245, 70674, 81660, 82453, 85743, 95270, 106011, 114324, 117790, 122490, 141348, 142905, 164906, 171486, 176685, 190540, 212022, 235580, 244980, 247359, 285810, 329812, 342972, 353370, 412265, 424044, 428715, 494718, 530055, 571620, 706740, 742077, 824530, 857430, 989436, 1060110, 1236795, 1484154, 1649060, 1714860, 2120220, 2473590, 2968308, 3710385, 4947180, 7420770, 14841540, 16031219, 32062438, 48093657, 64124876, 80156095, 96187314, 112218533, 144280971, 160312190, 192374628, 224437066, 240468285, 288561942, 320624380, 336655599, 448874132, 480936570, 561092665, 577123884, 673311198, 721404855, 961873140, 1009966797, 1122185330, 1346622396, 1442809710, 1683277995, 2019933594, 2244370660, 2885619420, 3366555990, 4039867188, 5049833985, 6733111980, 10099667970, 20199335940]

約数ペア:

[(1, 20199335940), (2, 10099667970), (3, 6733111980), (4, 5049833985), (5, 4039867188), (6, 3366555990), (7, 2885619420), (9, 2244370660), (10, 2019933594), (12, 1683277995), (14, 1442809710), (15, 1346622396), (18, 1122185330), (20, 1009966797), (21, 961873140), (28, 721404855), (30, 673311198), (35, 577123884), (36, 561092665), (42, 480936570), (45, 448874132), (60, 336655599), (63, 320624380), (70, 288561942), (84, 240468285), (90, 224437066), (105, 192374628), (126, 160312190), (140, 144280971), (180, 112218533), (210, 96187314), (252, 80156095), (315, 64124876), (420, 48093657), (630, 32062438), (1260, 16031219), (1361, 14841540), (2722, 7420770), (4083, 4947180), (5444, 3710385), (6805, 2968308), (8166, 2473590), (9527, 2120220), (11779, 1714860), (12249, 1649060), (13610, 1484154), (16332, 1236795), (19054, 1060110), (20415, 989436), (23558, 857430), (24498, 824530), (27220, 742077), (28581, 706740), (35337, 571620), (38108, 530055), (40830, 494718), (47116, 428715), (47635, 424044), (48996, 412265), (57162, 353370), (58895, 342972), (61245, 329812), (70674, 285810), (81660, 247359), (82453, 244980), (85743, 235580), (95270, 212022), (106011, 190540), (114324, 176685), (117790, 171486), (122490, 164906), (141348, 142905)]