20813652

素因数分解:

$2^2\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1009}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 54297600

約数和(自身を除く): 33483948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 191, 382, 573, 764, 1009, 1146, 1719, 2018, 2292, 3027, 3438, 4036, 5157, 6054, 6876, 9081, 10314, 12108, 18162, 20628, 27243, 36324, 54486, 108972, 192719, 385438, 578157, 770876, 1156314, 1734471, 2312628, 3468942, 5203413, 6937884, 10406826, 20813652]

約数ペア:

[(1, 20813652), (2, 10406826), (3, 6937884), (4, 5203413), (6, 3468942), (9, 2312628), (12, 1734471), (18, 1156314), (27, 770876), (36, 578157), (54, 385438), (108, 192719), (191, 108972), (382, 54486), (573, 36324), (764, 27243), (1009, 20628), (1146, 18162), (1719, 12108), (2018, 10314), (2292, 9081), (3027, 6876), (3438, 6054), (4036, 5157)]