20194878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27705282

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 41, 51, 66, 82, 102, 123, 187, 246, 374, 439, 451, 561, 697, 878, 902, 1122, 1317, 1353, 1394, 2091, 2634, 2706, 4182, 4829, 7463, 7667, 9658, 14487, 14926, 15334, 17999, 22389, 23001, 28974, 35998, 44778, 46002, 53997, 82093, 107994, 164186, 197989, 246279, 305983, 395978, 492558, 593967, 611966, 917949, 1187934, 1835898, 3365813, 6731626, 10097439, 20194878]

約数ペア:

[(1, 20194878), (2, 10097439), (3, 6731626), (6, 3365813), (11, 1835898), (17, 1187934), (22, 917949), (33, 611966), (34, 593967), (41, 492558), (51, 395978), (66, 305983), (82, 246279), (102, 197989), (123, 164186), (187, 107994), (246, 82093), (374, 53997), (439, 46002), (451, 44778), (561, 35998), (697, 28974), (878, 23001), (902, 22389), (1122, 17999), (1317, 15334), (1353, 14926), (1394, 14487), (2091, 9658), (2634, 7667), (2706, 7463), (4182, 4829)]