20285936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 43449600

約数和(自身を除く): 23163664

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1459, 1738, 2918, 3476, 5836, 6952, 11672, 13904, 16049, 23344, 32098, 64196, 115261, 128392, 230522, 256784, 461044, 922088, 1267871, 1844176, 2535742, 5071484, 10142968, 20285936]

約数ペア:

[(1, 20285936), (2, 10142968), (4, 5071484), (8, 2535742), (11, 1844176), (16, 1267871), (22, 922088), (44, 461044), (79, 256784), (88, 230522), (158, 128392), (176, 115261), (316, 64196), (632, 32098), (869, 23344), (1264, 16049), (1459, 13904), (1738, 11672), (2918, 6952), (3476, 5836)]