20026494

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 47520000

約数和(自身を除く): 27493506

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 131, 149, 171, 262, 298, 342, 393, 447, 513, 786, 894, 1026, 1179, 1341, 2358, 2489, 2682, 2831, 3537, 4023, 4978, 5662, 7074, 7467, 8046, 8493, 14934, 16986, 19519, 22401, 25479, 39038, 44802, 50958, 58557, 67203, 76437, 117114, 134406, 152874, 175671, 351342, 370861, 527013, 741722, 1054026, 1112583, 2225166, 3337749, 6675498, 10013247, 20026494]

約数ペア:

[(1, 20026494), (2, 10013247), (3, 6675498), (6, 3337749), (9, 2225166), (18, 1112583), (19, 1054026), (27, 741722), (38, 527013), (54, 370861), (57, 351342), (114, 175671), (131, 152874), (149, 134406), (171, 117114), (262, 76437), (298, 67203), (342, 58557), (393, 50958), (447, 44802), (513, 39038), (786, 25479), (894, 22401), (1026, 19519), (1179, 16986), (1341, 14934), (2358, 8493), (2489, 8046), (2682, 7467), (2831, 7074), (3537, 5662), (4023, 4978)]