20091357

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 34751808

約数和(自身を除く): 14660451

約数列:

[1, 3, 9, 11, 13, 33, 39, 67, 99, 117, 143, 201, 233, 429, 603, 699, 737, 871, 1287, 2097, 2211, 2563, 2613, 3029, 6633, 7689, 7839, 9087, 9581, 15611, 23067, 27261, 28743, 33319, 46833, 86229, 99957, 140499, 171721, 202943, 299871, 515163, 608829, 1545489, 1826487, 2232373, 6697119, 20091357]

約数ペア:

[(1, 20091357), (3, 6697119), (9, 2232373), (11, 1826487), (13, 1545489), (33, 608829), (39, 515163), (67, 299871), (99, 202943), (117, 171721), (143, 140499), (201, 99957), (233, 86229), (429, 46833), (603, 33319), (699, 28743), (737, 27261), (871, 23067), (1287, 15611), (2097, 9581), (2211, 9087), (2563, 7839), (2613, 7689), (3029, 6633)]