20513122

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17088158

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1151, 1273, 2302, 2546, 8057, 8911, 16114, 17822, 21869, 43738, 77117, 153083, 154234, 306166, 539819, 1079638, 1465223, 2930446, 10256561, 20513122]

約数ペア:

[(1, 20513122), (2, 10256561), (7, 2930446), (14, 1465223), (19, 1079638), (38, 539819), (67, 306166), (133, 154234), (134, 153083), (266, 77117), (469, 43738), (938, 21869), (1151, 17822), (1273, 16114), (2302, 8911), (2546, 8057)]