20552648403

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{143483}}^1$

素因数の和:143871

約数の個数: 32

約数和(自身を含む): 33058713600

約数和(自身を除く): 12506065197

約数列:

[1, 3, 7, 19, 21, 57, 133, 359, 399, 1077, 2513, 6821, 7539, 20463, 47747, 143241, 143483, 430449, 1004381, 2726177, 3013143, 8178531, 19083239, 51510397, 57249717, 154531191, 360572779, 978697543, 1081718337, 2936092629, 6850882801, 20552648403]

約数ペア:

[(1, 20552648403), (3, 6850882801), (7, 2936092629), (19, 1081718337), (21, 978697543), (57, 360572779), (133, 154531191), (359, 57249717), (399, 51510397), (1077, 19083239), (2513, 8178531), (6821, 3013143), (7539, 2726177), (20463, 1004381), (47747, 430449), (143241, 143483)]