20547464

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 48755520

約数和(自身を除く): 28208056

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 49, 53, 56, 86, 92, 98, 106, 161, 172, 184, 196, 212, 301, 322, 344, 371, 392, 424, 602, 644, 742, 989, 1127, 1204, 1219, 1288, 1484, 1978, 2107, 2254, 2279, 2408, 2438, 2597, 2968, 3956, 4214, 4508, 4558, 4876, 5194, 6923, 7912, 8428, 8533, 9016, 9116, 9752, 10388, 13846, 15953, 16856, 17066, 18232, 20776, 27692, 31906, 34132, 48461, 52417, 55384, 59731, 63812, 68264, 96922, 104834, 111671, 119462, 127624, 193844, 209668, 223342, 238924, 366919, 387688, 419336, 446684, 477848, 733838, 893368, 1467676, 2568433, 2935352, 5136866, 10273732, 20547464]

約数ペア:

[(1, 20547464), (2, 10273732), (4, 5136866), (7, 2935352), (8, 2568433), (14, 1467676), (23, 893368), (28, 733838), (43, 477848), (46, 446684), (49, 419336), (53, 387688), (56, 366919), (86, 238924), (92, 223342), (98, 209668), (106, 193844), (161, 127624), (172, 119462), (184, 111671), (196, 104834), (212, 96922), (301, 68264), (322, 63812), (344, 59731), (371, 55384), (392, 52417), (424, 48461), (602, 34132), (644, 31906), (742, 27692), (989, 20776), (1127, 18232), (1204, 17066), (1219, 16856), (1288, 15953), (1484, 13846), (1978, 10388), (2107, 9752), (2254, 9116), (2279, 9016), (2408, 8533), (2438, 8428), (2597, 7912), (2968, 6923), (3956, 5194), (4214, 4876), (4508, 4558)]