20187074684

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1061807}}^1$

素因数の和:1061922

約数の個数: 36

約数和(自身を含む): 41518816416

約数和(自身を除く): 21331741732

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1358, 2716, 4753, 9506, 19012, 1061807, 2123614, 4247228, 7432649, 14865298, 29730596, 52028543, 102995279, 104057086, 205990558, 208114172, 411981116, 720966953, 1441933906, 2883867812, 5046768671, 10093537342, 20187074684]

約数ペア:

[(1, 20187074684), (2, 10093537342), (4, 5046768671), (7, 2883867812), (14, 1441933906), (28, 720966953), (49, 411981116), (97, 208114172), (98, 205990558), (194, 104057086), (196, 102995279), (388, 52028543), (679, 29730596), (1358, 14865298), (2716, 7432649), (4753, 4247228), (9506, 2123614), (19012, 1061807)]