20962935

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3169}}^1$

素因数の和:3197

約数の個数: 48

約数和(自身を含む): 43365600

約数和(自身を除く): 22402665

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 3169, 6615, 9507, 15845, 22183, 28521, 47535, 66549, 85563, 110915, 142605, 155281, 199647, 332745, 427815, 465843, 598941, 776405, 998235, 1397529, 2329215, 2994705, 4192587, 6987645, 20962935]

約数ペア:

[(1, 20962935), (3, 6987645), (5, 4192587), (7, 2994705), (9, 2329215), (15, 1397529), (21, 998235), (27, 776405), (35, 598941), (45, 465843), (49, 427815), (63, 332745), (105, 199647), (135, 155281), (147, 142605), (189, 110915), (245, 85563), (315, 66549), (441, 47535), (735, 28521), (945, 22183), (1323, 15845), (2205, 9507), (3169, 6615)]