20679450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 56996352

約数和(自身を除く): 36316902

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 83, 110, 150, 151, 165, 166, 249, 275, 302, 330, 415, 453, 498, 550, 755, 825, 830, 906, 913, 1245, 1510, 1650, 1661, 1826, 2075, 2265, 2490, 2739, 3322, 3775, 4150, 4530, 4565, 4983, 5478, 6225, 7550, 8305, 9130, 9966, 11325, 12450, 12533, 13695, 16610, 22650, 22825, 24915, 25066, 27390, 37599, 41525, 45650, 49830, 62665, 68475, 75198, 83050, 124575, 125330, 136950, 137863, 187995, 249150, 275726, 313325, 375990, 413589, 626650, 689315, 827178, 939975, 1378630, 1879950, 2067945, 3446575, 4135890, 6893150, 10339725, 20679450]

約数ペア:

[(1, 20679450), (2, 10339725), (3, 6893150), (5, 4135890), (6, 3446575), (10, 2067945), (11, 1879950), (15, 1378630), (22, 939975), (25, 827178), (30, 689315), (33, 626650), (50, 413589), (55, 375990), (66, 313325), (75, 275726), (83, 249150), (110, 187995), (150, 137863), (151, 136950), (165, 125330), (166, 124575), (249, 83050), (275, 75198), (302, 68475), (330, 62665), (415, 49830), (453, 45650), (498, 41525), (550, 37599), (755, 27390), (825, 25066), (830, 24915), (906, 22825), (913, 22650), (1245, 16610), (1510, 13695), (1650, 12533), (1661, 12450), (1826, 11325), (2075, 9966), (2265, 9130), (2490, 8305), (2739, 7550), (3322, 6225), (3775, 5478), (4150, 4983), (4530, 4565)]