20878296

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 34244904

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 109, 138, 184, 218, 276, 327, 347, 436, 552, 654, 694, 872, 1041, 1308, 1388, 2082, 2507, 2616, 2776, 4164, 5014, 7521, 7981, 8328, 10028, 15042, 15962, 20056, 23943, 30084, 31924, 37823, 47886, 60168, 63848, 75646, 95772, 113469, 151292, 191544, 226938, 302584, 453876, 869929, 907752, 1739858, 2609787, 3479716, 5219574, 6959432, 10439148, 20878296]

約数ペア:

[(1, 20878296), (2, 10439148), (3, 6959432), (4, 5219574), (6, 3479716), (8, 2609787), (12, 1739858), (23, 907752), (24, 869929), (46, 453876), (69, 302584), (92, 226938), (109, 191544), (138, 151292), (184, 113469), (218, 95772), (276, 75646), (327, 63848), (347, 60168), (436, 47886), (552, 37823), (654, 31924), (694, 30084), (872, 23943), (1041, 20056), (1308, 15962), (1388, 15042), (2082, 10028), (2507, 8328), (2616, 7981), (2776, 7521), (4164, 5014)]