20160440157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1\times {\mathrm{1669}}^1$

素因数の和:2494

約数の個数: 64

約数和(自身を含む): 32495581440

約数和(自身を除く): 12335141283

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 761, 1221, 1443, 1669, 2283, 5007, 5291, 8371, 9893, 15873, 18359, 21697, 25113, 28157, 29679, 55077, 61753, 65091, 84471, 108823, 185259, 238667, 309727, 326469, 366041, 679283, 716001, 802789, 929181, 1098123, 1270109, 2037849, 2408367, 3810327, 4026451, 8830679, 12079353, 13971199, 16511417, 26492037, 41913597, 46994033, 49534251, 140982099, 181625587, 516934363, 544876761, 610922429, 1550803089, 1832767287, 6720146719, 20160440157]

約数ペア:

[(1, 20160440157), (3, 6720146719), (11, 1832767287), (13, 1550803089), (33, 610922429), (37, 544876761), (39, 516934363), (111, 181625587), (143, 140982099), (407, 49534251), (429, 46994033), (481, 41913597), (761, 26492037), (1221, 16511417), (1443, 13971199), (1669, 12079353), (2283, 8830679), (5007, 4026451), (5291, 3810327), (8371, 2408367), (9893, 2037849), (15873, 1270109), (18359, 1098123), (21697, 929181), (25113, 802789), (28157, 716001), (29679, 679283), (55077, 366041), (61753, 326469), (65091, 309727), (84471, 238667), (108823, 185259)]