20611500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 74360832

約数和(自身を除く): 53749332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 140, 150, 151, 156, 175, 182, 195, 210, 250, 260, 273, 300, 302, 325, 350, 364, 375, 390, 420, 453, 455, 500, 525, 546, 604, 650, 700, 750, 755, 780, 875, 906, 910, 975, 1050, 1057, 1092, 1300, 1365, 1500, 1510, 1625, 1750, 1812, 1820, 1950, 1963, 2100, 2114, 2265, 2275, 2625, 2730, 3020, 3171, 3250, 3500, 3775, 3900, 3926, 4228, 4530, 4550, 4875, 5250, 5285, 5460, 5889, 6342, 6500, 6825, 7550, 7852, 9060, 9100, 9750, 9815, 10500, 10570, 11325, 11375, 11778, 12684, 13650, 13741, 15100, 15855, 18875, 19500, 19630, 21140, 22650, 22750, 23556, 26425, 27300, 27482, 29445, 31710, 34125, 37750, 39260, 41223, 45300, 45500, 49075, 52850, 54964, 56625, 58890, 63420, 68250, 68705, 75500, 79275, 82446, 98150, 105700, 113250, 117780, 132125, 136500, 137410, 147225, 158550, 164892, 196300, 206115, 226500, 245375, 264250, 274820, 294450, 317100, 343525, 396375, 412230, 490750, 528500, 588900, 687050, 736125, 792750, 824460, 981500, 1030575, 1374100, 1472250, 1585500, 1717625, 2061150, 2944500, 3435250, 4122300, 5152875, 6870500, 10305750, 20611500]

約数ペア:

[(1, 20611500), (2, 10305750), (3, 6870500), (4, 5152875), (5, 4122300), (6, 3435250), (7, 2944500), (10, 2061150), (12, 1717625), (13, 1585500), (14, 1472250), (15, 1374100), (20, 1030575), (21, 981500), (25, 824460), (26, 792750), (28, 736125), (30, 687050), (35, 588900), (39, 528500), (42, 490750), (50, 412230), (52, 396375), (60, 343525), (65, 317100), (70, 294450), (75, 274820), (78, 264250), (84, 245375), (91, 226500), (100, 206115), (105, 196300), (125, 164892), (130, 158550), (140, 147225), (150, 137410), (151, 136500), (156, 132125), (175, 117780), (182, 113250), (195, 105700), (210, 98150), (250, 82446), (260, 79275), (273, 75500), (300, 68705), (302, 68250), (325, 63420), (350, 58890), (364, 56625), (375, 54964), (390, 52850), (420, 49075), (453, 45500), (455, 45300), (500, 41223), (525, 39260), (546, 37750), (604, 34125), (650, 31710), (700, 29445), (750, 27482), (755, 27300), (780, 26425), (875, 23556), (906, 22750), (910, 22650), (975, 21140), (1050, 19630), (1057, 19500), (1092, 18875), (1300, 15855), (1365, 15100), (1500, 13741), (1510, 13650), (1625, 12684), (1750, 11778), (1812, 11375), (1820, 11325), (1950, 10570), (1963, 10500), (2100, 9815), (2114, 9750), (2265, 9100), (2275, 9060), (2625, 7852), (2730, 7550), (3020, 6825), (3171, 6500), (3250, 6342), (3500, 5889), (3775, 5460), (3900, 5285), (3926, 5250), (4228, 4875), (4530, 4550)]