20556960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 65499840

約数和(自身を除く): 44942880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 113, 120, 160, 226, 240, 339, 379, 452, 480, 565, 678, 758, 904, 1130, 1137, 1356, 1516, 1695, 1808, 1895, 2260, 2274, 2712, 3032, 3390, 3616, 3790, 4520, 4548, 5424, 5685, 6064, 6780, 7580, 9040, 9096, 10848, 11370, 12128, 13560, 15160, 18080, 18192, 22740, 27120, 30320, 36384, 42827, 45480, 54240, 60640, 85654, 90960, 128481, 171308, 181920, 214135, 256962, 342616, 428270, 513924, 642405, 685232, 856540, 1027848, 1284810, 1370464, 1713080, 2055696, 2569620, 3426160, 4111392, 5139240, 6852320, 10278480, 20556960]

約数ペア:

[(1, 20556960), (2, 10278480), (3, 6852320), (4, 5139240), (5, 4111392), (6, 3426160), (8, 2569620), (10, 2055696), (12, 1713080), (15, 1370464), (16, 1284810), (20, 1027848), (24, 856540), (30, 685232), (32, 642405), (40, 513924), (48, 428270), (60, 342616), (80, 256962), (96, 214135), (113, 181920), (120, 171308), (160, 128481), (226, 90960), (240, 85654), (339, 60640), (379, 54240), (452, 45480), (480, 42827), (565, 36384), (678, 30320), (758, 27120), (904, 22740), (1130, 18192), (1137, 18080), (1356, 15160), (1516, 13560), (1695, 12128), (1808, 11370), (1895, 10848), (2260, 9096), (2274, 9040), (2712, 7580), (3032, 6780), (3390, 6064), (3616, 5685), (3790, 5424), (4520, 4548)]