20160957615

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{20981}}^1$

素因数の和:21112

約数の個数: 48

約数和(自身を含む): 34096589280

約数和(自身を除く): 13935631665

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 2209, 4089, 6627, 6815, 11045, 20445, 20981, 33135, 62943, 64061, 104905, 192183, 314715, 320305, 608449, 960915, 986107, 1825347, 2958321, 3042245, 4930535, 9126735, 14791605, 28597103, 46347029, 85791309, 139041087, 142985515, 231735145, 428956545, 695205435, 1344063841, 4032191523, 6720319205, 20160957615]

約数ペア:

[(1, 20160957615), (3, 6720319205), (5, 4032191523), (15, 1344063841), (29, 695205435), (47, 428956545), (87, 231735145), (141, 142985515), (145, 139041087), (235, 85791309), (435, 46347029), (705, 28597103), (1363, 14791605), (2209, 9126735), (4089, 4930535), (6627, 3042245), (6815, 2958321), (11045, 1825347), (20445, 986107), (20981, 960915), (33135, 608449), (62943, 320305), (64061, 314715), (104905, 192183)]