20047456

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 46761624

約数和(自身を除く): 26714168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 337, 338, 352, 416, 572, 674, 676, 1144, 1348, 1352, 1859, 2288, 2696, 2704, 3707, 3718, 4381, 4576, 5392, 5408, 7414, 7436, 8762, 10784, 14828, 14872, 17524, 29656, 29744, 35048, 48191, 56953, 59312, 59488, 70096, 96382, 113906, 118624, 140192, 192764, 227812, 385528, 455624, 626483, 771056, 911248, 1252966, 1542112, 1822496, 2505932, 5011864, 10023728, 20047456]

約数ペア:

[(1, 20047456), (2, 10023728), (4, 5011864), (8, 2505932), (11, 1822496), (13, 1542112), (16, 1252966), (22, 911248), (26, 771056), (32, 626483), (44, 455624), (52, 385528), (88, 227812), (104, 192764), (143, 140192), (169, 118624), (176, 113906), (208, 96382), (286, 70096), (337, 59488), (338, 59312), (352, 56953), (416, 48191), (572, 35048), (674, 29744), (676, 29656), (1144, 17524), (1348, 14872), (1352, 14828), (1859, 10784), (2288, 8762), (2696, 7436), (2704, 7414), (3707, 5408), (3718, 5392), (4381, 4576)]