20710326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 51706368

約数和(自身を除く): 30996042

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 83, 91, 166, 182, 249, 273, 457, 498, 546, 581, 914, 1079, 1162, 1371, 1743, 2158, 2742, 3199, 3237, 3486, 5941, 6398, 6474, 7553, 9597, 11882, 15106, 17823, 19194, 22659, 35646, 37931, 41587, 45318, 75862, 83174, 113793, 124761, 227586, 249522, 265517, 493103, 531034, 796551, 986206, 1479309, 1593102, 2958618, 3451721, 6903442, 10355163, 20710326]

約数ペア:

[(1, 20710326), (2, 10355163), (3, 6903442), (6, 3451721), (7, 2958618), (13, 1593102), (14, 1479309), (21, 986206), (26, 796551), (39, 531034), (42, 493103), (78, 265517), (83, 249522), (91, 227586), (166, 124761), (182, 113793), (249, 83174), (273, 75862), (457, 45318), (498, 41587), (546, 37931), (581, 35646), (914, 22659), (1079, 19194), (1162, 17823), (1371, 15106), (1743, 11882), (2158, 9597), (2742, 7553), (3199, 6474), (3237, 6398), (3486, 5941)]