20196899775

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{121139}}^1$

素因数の和:121190

約数の個数: 96

約数和(自身を含む): 42059808000

約数和(自身を除く): 21862908225

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 27, 39, 45, 57, 65, 75, 95, 117, 135, 171, 195, 225, 247, 285, 325, 351, 475, 513, 585, 675, 741, 855, 975, 1235, 1425, 1755, 2223, 2565, 2925, 3705, 4275, 6175, 6669, 8775, 11115, 12825, 18525, 33345, 55575, 121139, 166725, 363417, 605695, 1090251, 1574807, 1817085, 2301641, 3028475, 3270753, 4724421, 5451255, 6904923, 7874035, 9085425, 11508205, 14173263, 16353765, 20714769, 23622105, 27256275, 29921333, 34524615, 39370175, 42519789, 57541025, 62144307, 70866315, 81768825, 89763999, 103573845, 118110525, 149606665, 172623075, 212598945, 269291997, 310721535, 354331575, 448819995, 517869225, 748033325, 807875991, 1062994725, 1346459985, 1553607675, 2244099975, 4039379955, 6732299925, 20196899775]

約数ペア:

[(1, 20196899775), (3, 6732299925), (5, 4039379955), (9, 2244099975), (13, 1553607675), (15, 1346459985), (19, 1062994725), (25, 807875991), (27, 748033325), (39, 517869225), (45, 448819995), (57, 354331575), (65, 310721535), (75, 269291997), (95, 212598945), (117, 172623075), (135, 149606665), (171, 118110525), (195, 103573845), (225, 89763999), (247, 81768825), (285, 70866315), (325, 62144307), (351, 57541025), (475, 42519789), (513, 39370175), (585, 34524615), (675, 29921333), (741, 27256275), (855, 23622105), (975, 20714769), (1235, 16353765), (1425, 14173263), (1755, 11508205), (2223, 9085425), (2565, 7874035), (2925, 6904923), (3705, 5451255), (4275, 4724421), (6175, 3270753), (6669, 3028475), (8775, 2301641), (11115, 1817085), (12825, 1574807), (18525, 1090251), (33345, 605695), (55575, 363417), (121139, 166725)]