20406977172

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2531}}^1\times {\mathrm{7723}}^1$

素因数の和:10293

約数の個数: 72

約数和(自身を含む): 53391068640

約数和(自身を除く): 32984091468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 2531, 5062, 7593, 7723, 10124, 15186, 15446, 22779, 23169, 30372, 30892, 45558, 46338, 69507, 73399, 91116, 92676, 139014, 146798, 220197, 223967, 278028, 293596, 440394, 447934, 660591, 671901, 880788, 895868, 1321182, 1343802, 2015703, 2642364, 2687604, 4031406, 8062812, 19546913, 39093826, 58640739, 78187652, 117281478, 175922217, 234562956, 351844434, 566860477, 703688868, 1133720954, 1700581431, 2267441908, 3401162862, 5101744293, 6802325724, 10203488586, 20406977172]

約数ペア:

[(1, 20406977172), (2, 10203488586), (3, 6802325724), (4, 5101744293), (6, 3401162862), (9, 2267441908), (12, 1700581431), (18, 1133720954), (29, 703688868), (36, 566860477), (58, 351844434), (87, 234562956), (116, 175922217), (174, 117281478), (261, 78187652), (348, 58640739), (522, 39093826), (1044, 19546913), (2531, 8062812), (5062, 4031406), (7593, 2687604), (7723, 2642364), (10124, 2015703), (15186, 1343802), (15446, 1321182), (22779, 895868), (23169, 880788), (30372, 671901), (30892, 660591), (45558, 447934), (46338, 440394), (69507, 293596), (73399, 278028), (91116, 223967), (92676, 220197), (139014, 146798)]