20199612

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 29393988

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 163, 276, 326, 449, 489, 652, 898, 978, 1347, 1796, 1956, 2694, 3749, 5388, 7498, 10327, 11247, 14996, 20654, 22494, 30981, 41308, 44988, 61962, 73187, 123924, 146374, 219561, 292748, 439122, 878244, 1683301, 3366602, 5049903, 6733204, 10099806, 20199612]

約数ペア:

[(1, 20199612), (2, 10099806), (3, 6733204), (4, 5049903), (6, 3366602), (12, 1683301), (23, 878244), (46, 439122), (69, 292748), (92, 219561), (138, 146374), (163, 123924), (276, 73187), (326, 61962), (449, 44988), (489, 41308), (652, 30981), (898, 22494), (978, 20654), (1347, 14996), (1796, 11247), (1956, 10327), (2694, 7498), (3749, 5388)]