20057499

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 36601344

約数和(自身を除く): 16543845

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 103, 231, 281, 309, 693, 721, 843, 927, 1133, 1967, 2163, 2529, 3091, 3399, 5901, 6489, 7931, 9273, 10197, 17703, 21637, 23793, 27819, 28943, 64911, 71379, 86829, 194733, 202601, 260487, 318373, 607803, 955119, 1823409, 2228611, 2865357, 6685833, 20057499]

約数ペア:

[(1, 20057499), (3, 6685833), (7, 2865357), (9, 2228611), (11, 1823409), (21, 955119), (33, 607803), (63, 318373), (77, 260487), (99, 202601), (103, 194733), (231, 86829), (281, 71379), (309, 64911), (693, 28943), (721, 27819), (843, 23793), (927, 21637), (1133, 17703), (1967, 10197), (2163, 9273), (2529, 7931), (3091, 6489), (3399, 5901)]