20397411837

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{683}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 34254544896

約数和(自身を除く): 13857133059

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 263, 279, 333, 341, 407, 683, 789, 1023, 1147, 1221, 2049, 2367, 2893, 3069, 3441, 3663, 6147, 7513, 8153, 8679, 9731, 10323, 12617, 21173, 22539, 24459, 25271, 26037, 29193, 37851, 63519, 67617, 73377, 75813, 87579, 89683, 107041, 113553, 179629, 190557, 227439, 232903, 269049, 277981, 301661, 321123, 538887, 698709, 783401, 807147, 833943, 904983, 963369, 1616661, 1975919, 2096127, 2350203, 2501829, 2714949, 3318271, 5568499, 5927757, 6646273, 7050609, 8617411, 9954813, 16705497, 17783271, 19938819, 25852233, 29864439, 50116491, 59816457, 61253489, 73109003, 77556699, 183760467, 206034463, 219327009, 551281401, 618103389, 657981027, 1854310167, 2266379093, 6799137279, 20397411837]

約数ペア:

[(1, 20397411837), (3, 6799137279), (9, 2266379093), (11, 1854310167), (31, 657981027), (33, 618103389), (37, 551281401), (93, 219327009), (99, 206034463), (111, 183760467), (263, 77556699), (279, 73109003), (333, 61253489), (341, 59816457), (407, 50116491), (683, 29864439), (789, 25852233), (1023, 19938819), (1147, 17783271), (1221, 16705497), (2049, 9954813), (2367, 8617411), (2893, 7050609), (3069, 6646273), (3441, 5927757), (3663, 5568499), (6147, 3318271), (7513, 2714949), (8153, 2501829), (8679, 2350203), (9731, 2096127), (10323, 1975919), (12617, 1616661), (21173, 963369), (22539, 904983), (24459, 833943), (25271, 807147), (26037, 783401), (29193, 698709), (37851, 538887), (63519, 321123), (67617, 301661), (73377, 277981), (75813, 269049), (87579, 232903), (89683, 227439), (107041, 190557), (113553, 179629)]