20720602

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 38033280

約数和(自身を除く): 17312678

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 1277, 2318, 2554, 8113, 8939, 16226, 17878, 24263, 48526, 77897, 155794, 169841, 339682, 545279, 1090558, 1480043, 2960086, 10360301, 20720602]

約数ペア:

[(1, 20720602), (2, 10360301), (7, 2960086), (14, 1480043), (19, 1090558), (38, 545279), (61, 339682), (122, 169841), (133, 155794), (266, 77897), (427, 48526), (854, 24263), (1159, 17878), (1277, 16226), (2318, 8939), (2554, 8113)]