20460032

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:556

約数の個数: 40

約数和(自身を含む): 41431500

約数和(自身を除く): 20971468

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 449, 512, 712, 898, 1424, 1796, 2848, 3592, 5696, 7184, 11392, 14368, 22784, 28736, 39961, 45568, 57472, 79922, 114944, 159844, 229888, 319688, 639376, 1278752, 2557504, 5115008, 10230016, 20460032]

約数ペア:

[(1, 20460032), (2, 10230016), (4, 5115008), (8, 2557504), (16, 1278752), (32, 639376), (64, 319688), (89, 229888), (128, 159844), (178, 114944), (256, 79922), (356, 57472), (449, 45568), (512, 39961), (712, 28736), (898, 22784), (1424, 14368), (1796, 11392), (2848, 7184), (3592, 5696)]