20621616

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18679}}^1$

素因数の和:18713

約数の個数: 40

約数和(自身を含む): 55591680

約数和(自身を除く): 34970064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18679, 37358, 56037, 74716, 112074, 149432, 224148, 298864, 429617, 448296, 859234, 896592, 1288851, 1718468, 2577702, 3436936, 5155404, 6873872, 10310808, 20621616]

約数ペア:

[(1, 20621616), (2, 10310808), (3, 6873872), (4, 5155404), (6, 3436936), (8, 2577702), (12, 1718468), (16, 1288851), (23, 896592), (24, 859234), (46, 448296), (48, 429617), (69, 298864), (92, 224148), (138, 149432), (184, 112074), (276, 74716), (368, 56037), (552, 37358), (1104, 18679)]