20512007160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^2$

素因数の和:2385

約数の個数: 96

約数和(自身を含む): 62040731760

約数和(自身を除く): 41528724600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1117, 1370, 1644, 2055, 2234, 2740, 3288, 3351, 4110, 4468, 5480, 5585, 6702, 8220, 8936, 11170, 13404, 16440, 16755, 22340, 26808, 33510, 44680, 67020, 134040, 153029, 306058, 459087, 612116, 765145, 918174, 1224232, 1247689, 1530290, 1836348, 2295435, 2495378, 3060580, 3672696, 3743067, 4590870, 4990756, 6121160, 6238445, 7486134, 9181740, 9981512, 12476890, 14972268, 18363480, 18715335, 24953780, 29944536, 37430670, 49907560, 74861340, 149722680, 170933393, 341866786, 512800179, 683733572, 854666965, 1025600358, 1367467144, 1709333930, 2051200716, 2564000895, 3418667860, 4102401432, 5128001790, 6837335720, 10256003580, 20512007160]

約数ペア:

[(1, 20512007160), (2, 10256003580), (3, 6837335720), (4, 5128001790), (5, 4102401432), (6, 3418667860), (8, 2564000895), (10, 2051200716), (12, 1709333930), (15, 1367467144), (20, 1025600358), (24, 854666965), (30, 683733572), (40, 512800179), (60, 341866786), (120, 170933393), (137, 149722680), (274, 74861340), (411, 49907560), (548, 37430670), (685, 29944536), (822, 24953780), (1096, 18715335), (1117, 18363480), (1370, 14972268), (1644, 12476890), (2055, 9981512), (2234, 9181740), (2740, 7486134), (3288, 6238445), (3351, 6121160), (4110, 4990756), (4468, 4590870), (5480, 3743067), (5585, 3672696), (6702, 3060580), (8220, 2495378), (8936, 2295435), (11170, 1836348), (13404, 1530290), (16440, 1247689), (16755, 1224232), (22340, 918174), (26808, 765145), (33510, 612116), (44680, 459087), (67020, 306058), (134040, 153029)]