2013820215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{433}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 3581770752

約数和(自身を除く): 1567950537

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 397, 433, 781, 1065, 1191, 1299, 1985, 2165, 2343, 3905, 4367, 4763, 5955, 6495, 11715, 13101, 14289, 21835, 23815, 28187, 30743, 65505, 71445, 84561, 92229, 140935, 153715, 171901, 310057, 338173, 422805, 461145, 515703, 859505, 930171, 1014519, 1550285, 1690865, 1890911, 2578515, 4650855, 5072595, 5672733, 9454555, 12204971, 28363665, 36614913, 61024855, 134254681, 183074565, 402764043, 671273405, 2013820215]

約数ペア:

[(1, 2013820215), (3, 671273405), (5, 402764043), (11, 183074565), (15, 134254681), (33, 61024855), (55, 36614913), (71, 28363665), (165, 12204971), (213, 9454555), (355, 5672733), (397, 5072595), (433, 4650855), (781, 2578515), (1065, 1890911), (1191, 1690865), (1299, 1550285), (1985, 1014519), (2165, 930171), (2343, 859505), (3905, 515703), (4367, 461145), (4763, 422805), (5955, 338173), (6495, 310057), (11715, 171901), (13101, 153715), (14289, 140935), (21835, 92229), (23815, 84561), (28187, 71445), (30743, 65505)]