20977769520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29135791}}^1$

素因数の和:29135810

約数の個数: 60

約数和(自身を含む): 70450345056

約数和(自身を除く): 49472575536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29135791, 58271582, 87407373, 116543164, 145678955, 174814746, 233086328, 262222119, 291357910, 349629492, 437036865, 466172656, 524444238, 582715820, 699258984, 874073730, 1048888476, 1165431640, 1311110595, 1398517968, 1748147460, 2097776952, 2330863280, 2622221190, 3496294920, 4195553904, 5244442380, 6992589840, 10488884760, 20977769520]

約数ペア:

[(1, 20977769520), (2, 10488884760), (3, 6992589840), (4, 5244442380), (5, 4195553904), (6, 3496294920), (8, 2622221190), (9, 2330863280), (10, 2097776952), (12, 1748147460), (15, 1398517968), (16, 1311110595), (18, 1165431640), (20, 1048888476), (24, 874073730), (30, 699258984), (36, 582715820), (40, 524444238), (45, 466172656), (48, 437036865), (60, 349629492), (72, 291357910), (80, 262222119), (90, 233086328), (120, 174814746), (144, 145678955), (180, 116543164), (240, 87407373), (360, 58271582), (720, 29135791)]