20670328

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19427}}^1$

素因数の和:19459

約数の個数: 32

約数和(自身を含む): 46627200

約数和(自身を除く): 25956872

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19427, 38854, 77708, 135989, 155416, 271978, 369113, 543956, 738226, 1087912, 1476452, 2583791, 2952904, 5167582, 10335164, 20670328]

約数ペア:

[(1, 20670328), (2, 10335164), (4, 5167582), (7, 2952904), (8, 2583791), (14, 1476452), (19, 1087912), (28, 738226), (38, 543956), (56, 369113), (76, 271978), (133, 155416), (152, 135989), (266, 77708), (532, 38854), (1064, 19427)]