20748978

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39749}}^1$

素因数の和:39786

約数の個数: 24

約数和(自身を含む): 46507500

約数和(自身を除く): 25758522

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39749, 79498, 119247, 238494, 357741, 715482, 1152721, 2305442, 3458163, 6916326, 10374489, 20748978]

約数ペア:

[(1, 20748978), (2, 10374489), (3, 6916326), (6, 3458163), (9, 2305442), (18, 1152721), (29, 715482), (58, 357741), (87, 238494), (174, 119247), (261, 79498), (522, 39749)]