20191893616

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{1559}}^1\times {\mathrm{2801}}^1$

素因数の和:4402

約数の個数: 60

約数和(自身を含む): 41599949040

約数和(自身を除く): 21408055424

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 1559, 2312, 2801, 3118, 4624, 5602, 6236, 11204, 12472, 22408, 24944, 26503, 44816, 47617, 53006, 95234, 106012, 190468, 212024, 380936, 424048, 450551, 761872, 809489, 901102, 1618978, 1802204, 3237956, 3604408, 4366759, 6475912, 7208816, 8733518, 12951824, 17467036, 34934072, 69868144, 74234903, 148469806, 296939612, 593879224, 1187758448, 1261993351, 2523986702, 5047973404, 10095946808, 20191893616]

約数ペア:

[(1, 20191893616), (2, 10095946808), (4, 5047973404), (8, 2523986702), (16, 1261993351), (17, 1187758448), (34, 593879224), (68, 296939612), (136, 148469806), (272, 74234903), (289, 69868144), (578, 34934072), (1156, 17467036), (1559, 12951824), (2312, 8733518), (2801, 7208816), (3118, 6475912), (4624, 4366759), (5602, 3604408), (6236, 3237956), (11204, 1802204), (12472, 1618978), (22408, 901102), (24944, 809489), (26503, 761872), (44816, 450551), (47617, 424048), (53006, 380936), (95234, 212024), (106012, 190468)]