20984594976

素因数分解:

$2^5\times 3^2\times {\mathrm{17863}}^1\times {\mathrm{4079}}^1$

素因数の和:21958

約数の個数: 72

約数和(自身を含む): 59692913280

約数和(自身を除く): 38708318304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 4079, 8158, 12237, 16316, 17863, 24474, 32632, 35726, 36711, 48948, 53589, 65264, 71452, 73422, 97896, 107178, 130528, 142904, 146844, 160767, 195792, 214356, 285808, 293688, 321534, 391584, 428712, 571616, 587376, 643068, 857424, 1174752, 1286136, 1714848, 2572272, 5144544, 72863177, 145726354, 218589531, 291452708, 437179062, 582905416, 655768593, 874358124, 1165810832, 1311537186, 1748716248, 2331621664, 2623074372, 3497432496, 5246148744, 6994864992, 10492297488, 20984594976]

約数ペア:

[(1, 20984594976), (2, 10492297488), (3, 6994864992), (4, 5246148744), (6, 3497432496), (8, 2623074372), (9, 2331621664), (12, 1748716248), (16, 1311537186), (18, 1165810832), (24, 874358124), (32, 655768593), (36, 582905416), (48, 437179062), (72, 291452708), (96, 218589531), (144, 145726354), (288, 72863177), (4079, 5144544), (8158, 2572272), (12237, 1714848), (16316, 1286136), (17863, 1174752), (24474, 857424), (32632, 643068), (35726, 587376), (36711, 571616), (48948, 428712), (53589, 391584), (65264, 321534), (71452, 293688), (73422, 285808), (97896, 214356), (107178, 195792), (130528, 160767), (142904, 146844)]