20382012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2835

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 40551588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2789, 3654, 5578, 7308, 8367, 11156, 16734, 19523, 25101, 33468, 39046, 50202, 58569, 78092, 80881, 100404, 117138, 161762, 175707, 234276, 242643, 323524, 351414, 485286, 566167, 702828, 727929, 970572, 1132334, 1455858, 1698501, 2264668, 2911716, 3397002, 5095503, 6794004, 10191006, 20382012]

約数ペア:

[(1, 20382012), (2, 10191006), (3, 6794004), (4, 5095503), (6, 3397002), (7, 2911716), (9, 2264668), (12, 1698501), (14, 1455858), (18, 1132334), (21, 970572), (28, 727929), (29, 702828), (36, 566167), (42, 485286), (58, 351414), (63, 323524), (84, 242643), (87, 234276), (116, 175707), (126, 161762), (174, 117138), (203, 100404), (252, 80881), (261, 78092), (348, 58569), (406, 50202), (522, 39046), (609, 33468), (812, 25101), (1044, 19523), (1218, 16734), (1827, 11156), (2436, 8367), (2789, 7308), (3654, 5578)]