20145128822

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{118891}}^1$

素因数の和:118946

約数の個数: 64

約数和(自身を含む): 39947712000

約数和(自身を除く): 19802583178

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 343, 494, 637, 686, 931, 1274, 1729, 1862, 3458, 4459, 6517, 8918, 12103, 13034, 24206, 84721, 118891, 169442, 237782, 832237, 1545583, 1664474, 2258929, 3091166, 4517858, 5825659, 10819081, 11651318, 15812503, 21638162, 29366077, 31625006, 40779613, 58732154, 75733567, 81559226, 110687521, 151467134, 205562539, 221375042, 411125078, 530134969, 774812647, 1060269938, 1438937773, 1549625294, 2877875546, 10072564411, 20145128822]

約数ペア:

[(1, 20145128822), (2, 10072564411), (7, 2877875546), (13, 1549625294), (14, 1438937773), (19, 1060269938), (26, 774812647), (38, 530134969), (49, 411125078), (91, 221375042), (98, 205562539), (133, 151467134), (182, 110687521), (247, 81559226), (266, 75733567), (343, 58732154), (494, 40779613), (637, 31625006), (686, 29366077), (931, 21638162), (1274, 15812503), (1729, 11651318), (1862, 10819081), (3458, 5825659), (4459, 4517858), (6517, 3091166), (8918, 2258929), (12103, 1664474), (13034, 1545583), (24206, 832237), (84721, 237782), (118891, 169442)]