20802873340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{1597}}^1$

素因数の和:2279

約数の個数: 96

約数和(自身を含む): 46519441920

約数和(自身を除く): 25716568580

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 607, 740, 1073, 1214, 1597, 2146, 2428, 3035, 3194, 4292, 5365, 6070, 6388, 7985, 10730, 12140, 15970, 17603, 21460, 22459, 31940, 35206, 44918, 46313, 59089, 70412, 88015, 89836, 92626, 112295, 118178, 176030, 185252, 224590, 231565, 236356, 295445, 352060, 449180, 463130, 590890, 651311, 926260, 969379, 1181780, 1302622, 1713581, 1938758, 2605244, 3256555, 3427162, 3877516, 4846895, 6513110, 6854324, 8567905, 9693790, 13026220, 17135810, 19387580, 28111991, 34271620, 35867023, 56223982, 71734046, 112447964, 140559955, 143468092, 179335115, 281119910, 358670230, 562239820, 717340460, 1040143667, 2080287334, 4160574668, 5200718335, 10401436670, 20802873340]

約数ペア:

[(1, 20802873340), (2, 10401436670), (4, 5200718335), (5, 4160574668), (10, 2080287334), (20, 1040143667), (29, 717340460), (37, 562239820), (58, 358670230), (74, 281119910), (116, 179335115), (145, 143468092), (148, 140559955), (185, 112447964), (290, 71734046), (370, 56223982), (580, 35867023), (607, 34271620), (740, 28111991), (1073, 19387580), (1214, 17135810), (1597, 13026220), (2146, 9693790), (2428, 8567905), (3035, 6854324), (3194, 6513110), (4292, 4846895), (5365, 3877516), (6070, 3427162), (6388, 3256555), (7985, 2605244), (10730, 1938758), (12140, 1713581), (15970, 1302622), (17603, 1181780), (21460, 969379), (22459, 926260), (31940, 651311), (35206, 590890), (44918, 463130), (46313, 449180), (59089, 352060), (70412, 295445), (88015, 236356), (89836, 231565), (92626, 224590), (112295, 185252), (118178, 176030)]