20955238348

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{420349}}^1$

素因数の和:420478

約数の個数: 36

約数和(自身を含む): 40699968400

約数和(自身を除く): 19744730052

約数列:

[1, 2, 4, 11, 22, 44, 103, 121, 206, 242, 412, 484, 1133, 2266, 4532, 12463, 24926, 49852, 420349, 840698, 1681396, 4623839, 9247678, 18495356, 43295947, 50862229, 86591894, 101724458, 173183788, 203448916, 476255417, 952510834, 1905021668, 5238809587, 10477619174, 20955238348]

約数ペア:

[(1, 20955238348), (2, 10477619174), (4, 5238809587), (11, 1905021668), (22, 952510834), (44, 476255417), (103, 203448916), (121, 173183788), (206, 101724458), (242, 86591894), (412, 50862229), (484, 43295947), (1133, 18495356), (2266, 9247678), (4532, 4623839), (12463, 1681396), (24926, 840698), (49852, 420349)]