20312123078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{4831}}^1$

素因数の和:5037

約数の個数: 64

約数和(自身を含む): 35068723200

約数和(自身を除く): 14756600122

約数列:

[1, 2, 13, 23, 26, 46, 79, 89, 158, 178, 299, 598, 1027, 1157, 1817, 2047, 2054, 2314, 3634, 4094, 4831, 7031, 9662, 14062, 23621, 26611, 47242, 53222, 62803, 91403, 111113, 125606, 161713, 182806, 222226, 323426, 381649, 429959, 763298, 859918, 1444469, 2102269, 2888938, 4204538, 4961437, 5589467, 8777927, 9889057, 9922874, 11178934, 17555854, 19778114, 33966761, 67933522, 114113051, 128557741, 228226102, 257115482, 441567893, 781235503, 883135786, 1562471006, 10156061539, 20312123078]

約数ペア:

[(1, 20312123078), (2, 10156061539), (13, 1562471006), (23, 883135786), (26, 781235503), (46, 441567893), (79, 257115482), (89, 228226102), (158, 128557741), (178, 114113051), (299, 67933522), (598, 33966761), (1027, 19778114), (1157, 17555854), (1817, 11178934), (2047, 9922874), (2054, 9889057), (2314, 8777927), (3634, 5589467), (4094, 4961437), (4831, 4204538), (7031, 2888938), (9662, 2102269), (14062, 1444469), (23621, 859918), (26611, 763298), (47242, 429959), (53222, 381649), (62803, 323426), (91403, 222226), (111113, 182806), (125606, 161713)]