20181477920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1\times {\mathrm{6607}}^1$

素因数の和:7762

約数の個数: 96

約数和(自身を含む): 50535975168

約数和(自身を除く): 30354497248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1123, 1360, 2246, 2720, 4492, 5615, 6607, 8984, 11230, 13214, 17968, 19091, 22460, 26428, 33035, 35936, 38182, 44920, 52856, 66070, 76364, 89840, 95455, 105712, 112319, 132140, 152728, 179680, 190910, 211424, 224638, 264280, 305456, 381820, 449276, 528560, 561595, 610912, 763640, 898552, 1057120, 1123190, 1527280, 1797104, 2246380, 3054560, 3594208, 4492760, 7419661, 8985520, 14839322, 17971040, 29678644, 37098305, 59357288, 74196610, 118714576, 126134237, 148393220, 237429152, 252268474, 296786440, 504536948, 593572880, 630671185, 1009073896, 1187145760, 1261342370, 2018147792, 2522684740, 4036295584, 5045369480, 10090738960, 20181477920]

約数ペア:

[(1, 20181477920), (2, 10090738960), (4, 5045369480), (5, 4036295584), (8, 2522684740), (10, 2018147792), (16, 1261342370), (17, 1187145760), (20, 1009073896), (32, 630671185), (34, 593572880), (40, 504536948), (68, 296786440), (80, 252268474), (85, 237429152), (136, 148393220), (160, 126134237), (170, 118714576), (272, 74196610), (340, 59357288), (544, 37098305), (680, 29678644), (1123, 17971040), (1360, 14839322), (2246, 8985520), (2720, 7419661), (4492, 4492760), (5615, 3594208), (6607, 3054560), (8984, 2246380), (11230, 1797104), (13214, 1527280), (17968, 1123190), (19091, 1057120), (22460, 898552), (26428, 763640), (33035, 610912), (35936, 561595), (38182, 528560), (44920, 449276), (52856, 381820), (66070, 305456), (76364, 264280), (89840, 224638), (95455, 211424), (105712, 190910), (112319, 179680), (132140, 152728)]