20889232

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14347}}^1$

素因数の和:14375

約数の個数: 40

約数和(自身を含む): 49816256

約数和(自身を除く): 28927024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14347, 28694, 57388, 100429, 114776, 186511, 200858, 229552, 373022, 401716, 746044, 803432, 1305577, 1492088, 1606864, 2611154, 2984176, 5222308, 10444616, 20889232]

約数ペア:

[(1, 20889232), (2, 10444616), (4, 5222308), (7, 2984176), (8, 2611154), (13, 1606864), (14, 1492088), (16, 1305577), (26, 803432), (28, 746044), (52, 401716), (56, 373022), (91, 229552), (104, 200858), (112, 186511), (182, 114776), (208, 100429), (364, 57388), (728, 28694), (1456, 14347)]