20201409921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1\times {\mathrm{8963}}^1$

素因数の和:9882

約数の個数: 48

約数和(自身を含む): 33877896192

約数和(自身を除く): 13676486271

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 887, 2541, 2661, 6209, 8963, 9757, 18627, 26889, 29271, 62741, 68299, 98593, 107327, 188223, 204897, 295779, 321981, 690151, 751289, 1084523, 2070453, 2253867, 3253569, 7591661, 7950181, 22774983, 23850543, 55651267, 87451991, 166953801, 262355973, 612163937, 961971901, 1836491811, 2885915703, 6733803307, 20201409921]

約数ペア:

[(1, 20201409921), (3, 6733803307), (7, 2885915703), (11, 1836491811), (21, 961971901), (33, 612163937), (77, 262355973), (121, 166953801), (231, 87451991), (363, 55651267), (847, 23850543), (887, 22774983), (2541, 7950181), (2661, 7591661), (6209, 3253569), (8963, 2253867), (9757, 2070453), (18627, 1084523), (26889, 751289), (29271, 690151), (62741, 321981), (68299, 295779), (98593, 204897), (107327, 188223)]