20888955945

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1231}}^1$

素因数の和:1565

約数の個数: 160

約数和(自身を含む): 44177785344

約数和(自身を除く): 23288829399

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 81, 99, 117, 135, 143, 165, 195, 293, 297, 351, 405, 429, 495, 585, 715, 879, 891, 1053, 1231, 1287, 1465, 1485, 1755, 2145, 2637, 3223, 3693, 3809, 3861, 4395, 4455, 5265, 6155, 6435, 7911, 9669, 11079, 11427, 11583, 13185, 13541, 16003, 16115, 18465, 19045, 19305, 23733, 29007, 33237, 34281, 39555, 40623, 41899, 48009, 48345, 55395, 57135, 57915, 67705, 80015, 87021, 99711, 102843, 118665, 121869, 125697, 144027, 145035, 166185, 171405, 176033, 203115, 209495, 240045, 261063, 308529, 360683, 365607, 377091, 432081, 435105, 498555, 514215, 528099, 609345, 628485, 720135, 880165, 1082049, 1096821, 1131273, 1296243, 1305315, 1542645, 1584297, 1803415, 1828035, 1885455, 2160405, 2640495, 3246147, 3393819, 3967513, 4688879, 4752891, 5410245, 5484105, 5656365, 6481215, 7921485, 9738441, 11902539, 14066637, 14258673, 16230735, 16969095, 19837565, 23444395, 23764455, 29215323, 35707617, 42199911, 48692205, 51577669, 59512695, 70333185, 71293365, 107122851, 126599733, 146076615, 154733007, 178538085, 210999555, 257888345, 321368553, 379799199, 464199021, 535614255, 632998665, 773665035, 1392597063, 1606842765, 1898995995, 2320995105, 4177791189, 6962985315, 20888955945]

約数ペア:

[(1, 20888955945), (3, 6962985315), (5, 4177791189), (9, 2320995105), (11, 1898995995), (13, 1606842765), (15, 1392597063), (27, 773665035), (33, 632998665), (39, 535614255), (45, 464199021), (55, 379799199), (65, 321368553), (81, 257888345), (99, 210999555), (117, 178538085), (135, 154733007), (143, 146076615), (165, 126599733), (195, 107122851), (293, 71293365), (297, 70333185), (351, 59512695), (405, 51577669), (429, 48692205), (495, 42199911), (585, 35707617), (715, 29215323), (879, 23764455), (891, 23444395), (1053, 19837565), (1231, 16969095), (1287, 16230735), (1465, 14258673), (1485, 14066637), (1755, 11902539), (2145, 9738441), (2637, 7921485), (3223, 6481215), (3693, 5656365), (3809, 5484105), (3861, 5410245), (4395, 4752891), (4455, 4688879), (5265, 3967513), (6155, 3393819), (6435, 3246147), (7911, 2640495), (9669, 2160405), (11079, 1885455), (11427, 1828035), (11583, 1803415), (13185, 1584297), (13541, 1542645), (16003, 1305315), (16115, 1296243), (18465, 1131273), (19045, 1096821), (19305, 1082049), (23733, 880165), (29007, 720135), (33237, 628485), (34281, 609345), (39555, 528099), (40623, 514215), (41899, 498555), (48009, 435105), (48345, 432081), (55395, 377091), (57135, 365607), (57915, 360683), (67705, 308529), (80015, 261063), (87021, 240045), (99711, 209495), (102843, 203115), (118665, 176033), (121869, 171405), (125697, 166185), (144027, 145035)]