20109804

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11719}}^1$

素因数の和:11750

約数の個数: 48

約数和(自身を含む): 55130880

約数和(自身を除く): 35021076

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11719, 23438, 35157, 46876, 70314, 128909, 140628, 152347, 257818, 304694, 386727, 457041, 515636, 609388, 773454, 914082, 1546908, 1675817, 1828164, 3351634, 5027451, 6703268, 10054902, 20109804]

約数ペア:

[(1, 20109804), (2, 10054902), (3, 6703268), (4, 5027451), (6, 3351634), (11, 1828164), (12, 1675817), (13, 1546908), (22, 914082), (26, 773454), (33, 609388), (39, 515636), (44, 457041), (52, 386727), (66, 304694), (78, 257818), (132, 152347), (143, 140628), (156, 128909), (286, 70314), (429, 46876), (572, 35157), (858, 23438), (1716, 11719)]