20155321836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1163971}}^1$

素因数の和:1164031

約数の個数: 72

約数和(自身を含む): 56350212464

約数和(自身を除く): 36194890628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1924, 2886, 4329, 5772, 8658, 17316, 1163971, 2327942, 3491913, 4655884, 6983826, 10475739, 13967652, 15131623, 20951478, 30263246, 41902956, 43066927, 45394869, 60526492, 86133854, 90789738, 129200781, 136184607, 172267708, 181579476, 258401562, 272369214, 387602343, 516803124, 544738428, 559870051, 775204686, 1119740102, 1550409372, 1679610153, 2239480204, 3359220306, 5038830459, 6718440612, 10077660918, 20155321836]

約数ペア:

[(1, 20155321836), (2, 10077660918), (3, 6718440612), (4, 5038830459), (6, 3359220306), (9, 2239480204), (12, 1679610153), (13, 1550409372), (18, 1119740102), (26, 775204686), (36, 559870051), (37, 544738428), (39, 516803124), (52, 387602343), (74, 272369214), (78, 258401562), (111, 181579476), (117, 172267708), (148, 136184607), (156, 129200781), (222, 90789738), (234, 86133854), (333, 60526492), (444, 45394869), (468, 43066927), (481, 41902956), (666, 30263246), (962, 20951478), (1332, 15131623), (1443, 13967652), (1924, 10475739), (2886, 6983826), (4329, 4655884), (5772, 3491913), (8658, 2327942), (17316, 1163971)]