20364480

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2357}}^1$

素因数の和:2383

約数の個数: 112

約数和(自身を含む): 71871840

約数和(自身を除く): 51507360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2357, 2880, 4320, 4714, 7071, 8640, 9428, 11785, 14142, 18856, 21213, 23570, 28284, 35355, 37712, 42426, 47140, 56568, 63639, 70710, 75424, 84852, 94280, 106065, 113136, 127278, 141420, 150848, 169704, 188560, 212130, 226272, 254556, 282840, 318195, 339408, 377120, 424260, 452544, 509112, 565680, 636390, 678816, 754240, 848520, 1018224, 1131360, 1272780, 1357632, 1697040, 2036448, 2262720, 2545560, 3394080, 4072896, 5091120, 6788160, 10182240, 20364480]

約数ペア:

[(1, 20364480), (2, 10182240), (3, 6788160), (4, 5091120), (5, 4072896), (6, 3394080), (8, 2545560), (9, 2262720), (10, 2036448), (12, 1697040), (15, 1357632), (16, 1272780), (18, 1131360), (20, 1018224), (24, 848520), (27, 754240), (30, 678816), (32, 636390), (36, 565680), (40, 509112), (45, 452544), (48, 424260), (54, 377120), (60, 339408), (64, 318195), (72, 282840), (80, 254556), (90, 226272), (96, 212130), (108, 188560), (120, 169704), (135, 150848), (144, 141420), (160, 127278), (180, 113136), (192, 106065), (216, 94280), (240, 84852), (270, 75424), (288, 70710), (320, 63639), (360, 56568), (432, 47140), (480, 42426), (540, 37712), (576, 35355), (720, 28284), (864, 23570), (960, 21213), (1080, 18856), (1440, 14142), (1728, 11785), (2160, 9428), (2357, 8640), (2880, 7071), (4320, 4714)]