20177577357

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{13049}}^1$

素因数の和:13290

約数の個数: 48

約数和(自身を含む): 31967697600

約数和(自身を除く): 11790120243

約数列:

[1, 3, 7, 21, 49, 67, 147, 157, 201, 469, 471, 1099, 1407, 3283, 3297, 7693, 9849, 10519, 13049, 23079, 31557, 39147, 73633, 91343, 220899, 274029, 515431, 639401, 874283, 1546293, 1918203, 2048693, 2622849, 6119981, 6146079, 14340851, 18359943, 42839867, 43022553, 100385957, 128519601, 137262431, 301157871, 411787293, 960837017, 2882511051, 6725859119, 20177577357]

約数ペア:

[(1, 20177577357), (3, 6725859119), (7, 2882511051), (21, 960837017), (49, 411787293), (67, 301157871), (147, 137262431), (157, 128519601), (201, 100385957), (469, 43022553), (471, 42839867), (1099, 18359943), (1407, 14340851), (3283, 6146079), (3297, 6119981), (7693, 2622849), (9849, 2048693), (10519, 1918203), (13049, 1546293), (23079, 874283), (31557, 639401), (39147, 515431), (73633, 274029), (91343, 220899)]