20161904406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1\times {\mathrm{19289}}^1$

素因数の和:19949

約数の個数: 64

約数和(自身を含む): 47288586240

約数和(自身を除く): 27126681834

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 607, 861, 1214, 1722, 1821, 3642, 4249, 8498, 12747, 19289, 24887, 25494, 38578, 49774, 57867, 74661, 115734, 135023, 149322, 174209, 270046, 348418, 405069, 522627, 790849, 810138, 1045254, 1581698, 2372547, 4745094, 5535943, 11071886, 11708423, 16607829, 23416846, 33215658, 35125269, 70250538, 81958961, 163917922, 245876883, 480045343, 491753766, 960090686, 1440136029, 2880272058, 3360317401, 6720634802, 10080952203, 20161904406]

約数ペア:

[(1, 20161904406), (2, 10080952203), (3, 6720634802), (6, 3360317401), (7, 2880272058), (14, 1440136029), (21, 960090686), (41, 491753766), (42, 480045343), (82, 245876883), (123, 163917922), (246, 81958961), (287, 70250538), (574, 35125269), (607, 33215658), (861, 23416846), (1214, 16607829), (1722, 11708423), (1821, 11071886), (3642, 5535943), (4249, 4745094), (8498, 2372547), (12747, 1581698), (19289, 1045254), (24887, 810138), (25494, 790849), (38578, 522627), (49774, 405069), (57867, 348418), (74661, 270046), (115734, 174209), (135023, 149322)]