20020833

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 35433216

約数和(自身を除く): 15412383

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 161, 207, 287, 337, 369, 483, 861, 943, 1011, 1449, 2359, 2583, 2829, 3033, 6601, 7077, 7751, 8487, 13817, 19803, 21231, 23253, 41451, 54257, 59409, 69759, 96719, 124353, 162771, 290157, 317791, 488313, 870471, 953373, 2224537, 2860119, 6673611, 20020833]

約数ペア:

[(1, 20020833), (3, 6673611), (7, 2860119), (9, 2224537), (21, 953373), (23, 870471), (41, 488313), (63, 317791), (69, 290157), (123, 162771), (161, 124353), (207, 96719), (287, 69759), (337, 59409), (369, 54257), (483, 41451), (861, 23253), (943, 21231), (1011, 19803), (1449, 13817), (2359, 8487), (2583, 7751), (2829, 7077), (3033, 6601)]