20127393

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 35311680

約数和(自身を除く): 15184287

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 169, 297, 351, 401, 429, 507, 1203, 1287, 1521, 1859, 3609, 3861, 4411, 4563, 5213, 5577, 10827, 13233, 15639, 16731, 39699, 46917, 50193, 57343, 67769, 119097, 140751, 172029, 203307, 516087, 609921, 745459, 1548261, 1829763, 2236377, 6709131, 20127393]

約数ペア:

[(1, 20127393), (3, 6709131), (9, 2236377), (11, 1829763), (13, 1548261), (27, 745459), (33, 609921), (39, 516087), (99, 203307), (117, 172029), (143, 140751), (169, 119097), (297, 67769), (351, 57343), (401, 50193), (429, 46917), (507, 39699), (1203, 16731), (1287, 15639), (1521, 13233), (1859, 10827), (3609, 5577), (3861, 5213), (4411, 4563)]