20420006238

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{853}}^1$

素因数の和:1258

約数の個数: 96

約数和(自身を含む): 45845575776

約数和(自身を除く): 25425569538

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 157, 197, 258, 314, 387, 394, 471, 591, 774, 853, 942, 1182, 1413, 1706, 1773, 2559, 2826, 3546, 5118, 6751, 7677, 8471, 13502, 15354, 16942, 20253, 25413, 30929, 36679, 40506, 50826, 60759, 61858, 73358, 76239, 92787, 110037, 121518, 133921, 152478, 168041, 185574, 220074, 267842, 278361, 330111, 336082, 401763, 504123, 556722, 660222, 803526, 1008246, 1205289, 1329947, 1512369, 2410578, 2659894, 3024738, 3989841, 5758603, 7225763, 7979682, 11517206, 11969523, 14451526, 17275809, 21677289, 23939046, 26382437, 34551618, 43354578, 51827427, 52764874, 65031867, 79147311, 103654854, 130063734, 158294622, 237441933, 474883866, 1134444791, 2268889582, 3403334373, 6806668746, 10210003119, 20420006238]

約数ペア:

[(1, 20420006238), (2, 10210003119), (3, 6806668746), (6, 3403334373), (9, 2268889582), (18, 1134444791), (43, 474883866), (86, 237441933), (129, 158294622), (157, 130063734), (197, 103654854), (258, 79147311), (314, 65031867), (387, 52764874), (394, 51827427), (471, 43354578), (591, 34551618), (774, 26382437), (853, 23939046), (942, 21677289), (1182, 17275809), (1413, 14451526), (1706, 11969523), (1773, 11517206), (2559, 7979682), (2826, 7225763), (3546, 5758603), (5118, 3989841), (6751, 3024738), (7677, 2659894), (8471, 2410578), (13502, 1512369), (15354, 1329947), (16942, 1205289), (20253, 1008246), (25413, 803526), (30929, 660222), (36679, 556722), (40506, 504123), (50826, 401763), (60759, 336082), (61858, 330111), (73358, 278361), (76239, 267842), (92787, 220074), (110037, 185574), (121518, 168041), (133921, 152478)]