20662857904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{33191}}^1$

素因数の和:33326

約数の個数: 80

約数和(自身を含む): 44771759424

約数和(自身を除く): 24108901520

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 73, 82, 104, 146, 164, 208, 292, 328, 533, 584, 656, 949, 1066, 1168, 1898, 2132, 2993, 3796, 4264, 5986, 7592, 8528, 11972, 15184, 23944, 33191, 38909, 47888, 66382, 77818, 132764, 155636, 265528, 311272, 431483, 531056, 622544, 862966, 1360831, 1725932, 2422943, 2721662, 3451864, 4845886, 5443324, 6903728, 9691772, 10886648, 17690803, 19383544, 21773296, 31498259, 35381606, 38767088, 62996518, 70763212, 99340663, 125993036, 141526424, 198681326, 251986072, 283052848, 397362652, 503972144, 794725304, 1291428619, 1589450608, 2582857238, 5165714476, 10331428952, 20662857904]

約数ペア:

[(1, 20662857904), (2, 10331428952), (4, 5165714476), (8, 2582857238), (13, 1589450608), (16, 1291428619), (26, 794725304), (41, 503972144), (52, 397362652), (73, 283052848), (82, 251986072), (104, 198681326), (146, 141526424), (164, 125993036), (208, 99340663), (292, 70763212), (328, 62996518), (533, 38767088), (584, 35381606), (656, 31498259), (949, 21773296), (1066, 19383544), (1168, 17690803), (1898, 10886648), (2132, 9691772), (2993, 6903728), (3796, 5443324), (4264, 4845886), (5986, 3451864), (7592, 2721662), (8528, 2422943), (11972, 1725932), (15184, 1360831), (23944, 862966), (33191, 622544), (38909, 531056), (47888, 431483), (66382, 311272), (77818, 265528), (132764, 155636)]