20187787900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{98429}}^1$

素因数の和:98743

約数の個数: 72

約数和(自身を含む): 50237097120

約数和(自身を除く): 30049309220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 293, 350, 586, 700, 1172, 1465, 2051, 2930, 4102, 5860, 7325, 8204, 10255, 14650, 20510, 29300, 41020, 51275, 98429, 102550, 196858, 205100, 393716, 492145, 689003, 984290, 1378006, 1968580, 2460725, 2756012, 3445015, 4921450, 6890030, 9842900, 13780060, 17225075, 28839697, 34450150, 57679394, 68900300, 115358788, 144198485, 201877879, 288396970, 403755758, 576793940, 720992425, 807511516, 1009389395, 1441984850, 2018778790, 2883969700, 4037557580, 5046946975, 10093893950, 20187787900]

約数ペア:

[(1, 20187787900), (2, 10093893950), (4, 5046946975), (5, 4037557580), (7, 2883969700), (10, 2018778790), (14, 1441984850), (20, 1009389395), (25, 807511516), (28, 720992425), (35, 576793940), (50, 403755758), (70, 288396970), (100, 201877879), (140, 144198485), (175, 115358788), (293, 68900300), (350, 57679394), (586, 34450150), (700, 28839697), (1172, 17225075), (1465, 13780060), (2051, 9842900), (2930, 6890030), (4102, 4921450), (5860, 3445015), (7325, 2756012), (8204, 2460725), (10255, 1968580), (14650, 1378006), (20510, 984290), (29300, 689003), (41020, 492145), (51275, 393716), (98429, 205100), (102550, 196858)]