20867520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21737}}^1$

素因数の和:21757

約数の個数: 56

約数和(自身を含む): 66257424

約数和(自身を除く): 45389904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21737, 43474, 65211, 86948, 108685, 130422, 173896, 217370, 260844, 326055, 347792, 434740, 521688, 652110, 695584, 869480, 1043376, 1304220, 1391168, 1738960, 2086752, 2608440, 3477920, 4173504, 5216880, 6955840, 10433760, 20867520]

約数ペア:

[(1, 20867520), (2, 10433760), (3, 6955840), (4, 5216880), (5, 4173504), (6, 3477920), (8, 2608440), (10, 2086752), (12, 1738960), (15, 1391168), (16, 1304220), (20, 1043376), (24, 869480), (30, 695584), (32, 652110), (40, 521688), (48, 434740), (60, 347792), (64, 326055), (80, 260844), (96, 217370), (120, 173896), (160, 130422), (192, 108685), (240, 86948), (320, 65211), (480, 43474), (960, 21737)]