20854828

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 40027680

約数和(自身を除く): 19172852

約数列:

[1, 2, 4, 29, 37, 43, 58, 74, 86, 113, 116, 148, 172, 226, 452, 1073, 1247, 1591, 2146, 2494, 3182, 3277, 4181, 4292, 4859, 4988, 6364, 6554, 8362, 9718, 13108, 16724, 19436, 46139, 92278, 121249, 140911, 179783, 184556, 242498, 281822, 359566, 484996, 563644, 719132, 5213707, 10427414, 20854828]

約数ペア:

[(1, 20854828), (2, 10427414), (4, 5213707), (29, 719132), (37, 563644), (43, 484996), (58, 359566), (74, 281822), (86, 242498), (113, 184556), (116, 179783), (148, 140911), (172, 121249), (226, 92278), (452, 46139), (1073, 19436), (1247, 16724), (1591, 13108), (2146, 9718), (2494, 8362), (3182, 6554), (3277, 6364), (4181, 4988), (4292, 4859)]