20442993

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 30902400

約数和(自身を除く): 10459407

約数列:

[1, 3, 17, 19, 51, 57, 73, 219, 289, 323, 867, 969, 1241, 1387, 3723, 4161, 4913, 5491, 14739, 16473, 21097, 23579, 63291, 70737, 93347, 280041, 358649, 400843, 1075947, 1202529, 6814331, 20442993]

約数ペア:

[(1, 20442993), (3, 6814331), (17, 1202529), (19, 1075947), (51, 400843), (57, 358649), (73, 280041), (219, 93347), (289, 70737), (323, 63291), (867, 23579), (969, 21097), (1241, 16473), (1387, 14739), (3723, 5491), (4161, 4913)]