20395284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 61716480

約数和(自身を除く): 41321196

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 983, 988, 1092, 1482, 1596, 1729, 1966, 2949, 2964, 3458, 3932, 5187, 5898, 6881, 6916, 10374, 11796, 12779, 13762, 18677, 20643, 20748, 25558, 27524, 37354, 38337, 41286, 51116, 56031, 74708, 76674, 82572, 89453, 112062, 130739, 153348, 178906, 224124, 242801, 261478, 268359, 357812, 392217, 485602, 522956, 536718, 728403, 784434, 971204, 1073436, 1456806, 1568868, 1699607, 2913612, 3399214, 5098821, 6798428, 10197642, 20395284]

約数ペア:

[(1, 20395284), (2, 10197642), (3, 6798428), (4, 5098821), (6, 3399214), (7, 2913612), (12, 1699607), (13, 1568868), (14, 1456806), (19, 1073436), (21, 971204), (26, 784434), (28, 728403), (38, 536718), (39, 522956), (42, 485602), (52, 392217), (57, 357812), (76, 268359), (78, 261478), (84, 242801), (91, 224124), (114, 178906), (133, 153348), (156, 130739), (182, 112062), (228, 89453), (247, 82572), (266, 76674), (273, 74708), (364, 56031), (399, 51116), (494, 41286), (532, 38337), (546, 37354), (741, 27524), (798, 25558), (983, 20748), (988, 20643), (1092, 18677), (1482, 13762), (1596, 12779), (1729, 11796), (1966, 10374), (2949, 6916), (2964, 6881), (3458, 5898), (3932, 5187)]