20270866

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20371694

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 59, 77, 97, 118, 154, 161, 194, 253, 322, 413, 506, 649, 679, 826, 1067, 1298, 1357, 1358, 1771, 2134, 2231, 2714, 3542, 4462, 4543, 5723, 7469, 9086, 9499, 11446, 14927, 14938, 15617, 18998, 24541, 29854, 31234, 40061, 49082, 62953, 80122, 104489, 125906, 131629, 171787, 208978, 263258, 343574, 440671, 881342, 921403, 1447919, 1842806, 2895838, 10135433, 20270866]

約数ペア:

[(1, 20270866), (2, 10135433), (7, 2895838), (11, 1842806), (14, 1447919), (22, 921403), (23, 881342), (46, 440671), (59, 343574), (77, 263258), (97, 208978), (118, 171787), (154, 131629), (161, 125906), (194, 104489), (253, 80122), (322, 62953), (413, 49082), (506, 40061), (649, 31234), (679, 29854), (826, 24541), (1067, 18998), (1298, 15617), (1357, 14938), (1358, 14927), (1771, 11446), (2134, 9499), (2231, 9086), (2714, 7469), (3542, 5723), (4462, 4543)]