20311536

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 61011968

約数和(自身を除く): 40700432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 991, 1281, 1464, 1708, 1982, 2562, 2928, 2973, 3416, 3964, 5124, 5946, 6832, 6937, 7928, 10248, 11892, 13874, 15856, 20496, 20811, 23784, 27748, 41622, 47568, 55496, 60451, 83244, 110992, 120902, 166488, 181353, 241804, 332976, 362706, 423157, 483608, 725412, 846314, 967216, 1269471, 1450824, 1692628, 2538942, 2901648, 3385256, 5077884, 6770512, 10155768, 20311536]

約数ペア:

[(1, 20311536), (2, 10155768), (3, 6770512), (4, 5077884), (6, 3385256), (7, 2901648), (8, 2538942), (12, 1692628), (14, 1450824), (16, 1269471), (21, 967216), (24, 846314), (28, 725412), (42, 483608), (48, 423157), (56, 362706), (61, 332976), (84, 241804), (112, 181353), (122, 166488), (168, 120902), (183, 110992), (244, 83244), (336, 60451), (366, 55496), (427, 47568), (488, 41622), (732, 27748), (854, 23784), (976, 20811), (991, 20496), (1281, 15856), (1464, 13874), (1708, 11892), (1982, 10248), (2562, 7928), (2928, 6937), (2973, 6832), (3416, 5946), (3964, 5124)]