20847402

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{2459}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 46641600

約数和(自身を除く): 25794198

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2459, 2826, 4239, 4918, 7377, 8478, 14754, 22131, 44262, 66393, 132786, 386063, 772126, 1158189, 2316378, 3474567, 6949134, 10423701, 20847402]

約数ペア:

[(1, 20847402), (2, 10423701), (3, 6949134), (6, 3474567), (9, 2316378), (18, 1158189), (27, 772126), (54, 386063), (157, 132786), (314, 66393), (471, 44262), (942, 22131), (1413, 14754), (2459, 8478), (2826, 7377), (4239, 4918)]