20588645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 31415040

約数和(自身を除く): 10826395

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1009, 1855, 2915, 4081, 5045, 7063, 11099, 20405, 35315, 53477, 55495, 77693, 267385, 374339, 388465, 588247, 1871695, 2941235, 4117729, 20588645]

約数ペア:

[(1, 20588645), (5, 4117729), (7, 2941235), (11, 1871695), (35, 588247), (53, 388465), (55, 374339), (77, 267385), (265, 77693), (371, 55495), (385, 53477), (583, 35315), (1009, 20405), (1855, 11099), (2915, 7063), (4081, 5045)]