20873760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43487}}^1$

素因数の和:43505

約数の個数: 48

約数和(自身を含む): 65753856

約数和(自身を除く): 44880096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43487, 86974, 130461, 173948, 217435, 260922, 347896, 434870, 521844, 652305, 695792, 869740, 1043688, 1304610, 1391584, 1739480, 2087376, 2609220, 3478960, 4174752, 5218440, 6957920, 10436880, 20873760]

約数ペア:

[(1, 20873760), (2, 10436880), (3, 6957920), (4, 5218440), (5, 4174752), (6, 3478960), (8, 2609220), (10, 2087376), (12, 1739480), (15, 1391584), (16, 1304610), (20, 1043688), (24, 869740), (30, 695792), (32, 652305), (40, 521844), (48, 434870), (60, 347896), (80, 260922), (96, 217435), (120, 173948), (160, 130461), (240, 86974), (480, 43487)]