20347398

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 25516602

約数列:

[1, 2, 3, 6, 9, 18, 41, 79, 82, 123, 158, 237, 246, 349, 369, 474, 698, 711, 738, 1047, 1422, 2094, 3141, 3239, 6282, 6478, 9717, 14309, 19434, 27571, 28618, 29151, 42927, 55142, 58302, 82713, 85854, 128781, 165426, 248139, 257562, 496278, 1130411, 2260822, 3391233, 6782466, 10173699, 20347398]

約数ペア:

[(1, 20347398), (2, 10173699), (3, 6782466), (6, 3391233), (9, 2260822), (18, 1130411), (41, 496278), (79, 257562), (82, 248139), (123, 165426), (158, 128781), (237, 85854), (246, 82713), (349, 58302), (369, 55142), (474, 42927), (698, 29151), (711, 28618), (738, 27571), (1047, 19434), (1422, 14309), (2094, 9717), (3141, 6478), (3239, 6282)]