20235840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 65178432

約数和(自身を除く): 44942592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 160, 192, 197, 214, 240, 320, 321, 394, 428, 480, 535, 591, 642, 788, 856, 960, 985, 1070, 1182, 1284, 1576, 1605, 1712, 1970, 2140, 2364, 2568, 2955, 3152, 3210, 3424, 3940, 4280, 4728, 5136, 5910, 6304, 6420, 6848, 7880, 8560, 9456, 10272, 11820, 12608, 12840, 15760, 17120, 18912, 20544, 21079, 23640, 25680, 31520, 34240, 37824, 42158, 47280, 51360, 63040, 63237, 84316, 94560, 102720, 105395, 126474, 168632, 189120, 210790, 252948, 316185, 337264, 421580, 505896, 632370, 674528, 843160, 1011792, 1264740, 1349056, 1686320, 2023584, 2529480, 3372640, 4047168, 5058960, 6745280, 10117920, 20235840]

約数ペア:

[(1, 20235840), (2, 10117920), (3, 6745280), (4, 5058960), (5, 4047168), (6, 3372640), (8, 2529480), (10, 2023584), (12, 1686320), (15, 1349056), (16, 1264740), (20, 1011792), (24, 843160), (30, 674528), (32, 632370), (40, 505896), (48, 421580), (60, 337264), (64, 316185), (80, 252948), (96, 210790), (107, 189120), (120, 168632), (160, 126474), (192, 105395), (197, 102720), (214, 94560), (240, 84316), (320, 63237), (321, 63040), (394, 51360), (428, 47280), (480, 42158), (535, 37824), (591, 34240), (642, 31520), (788, 25680), (856, 23640), (960, 21079), (985, 20544), (1070, 18912), (1182, 17120), (1284, 15760), (1576, 12840), (1605, 12608), (1712, 11820), (1970, 10272), (2140, 9456), (2364, 8560), (2568, 7880), (2955, 6848), (3152, 6420), (3210, 6304), (3424, 5910), (3940, 5136), (4280, 4728)]