20404458

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39089}}^1$

素因数の和:39126

約数の個数: 24

約数和(自身を含む): 45735300

約数和(自身を除く): 25330842

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39089, 78178, 117267, 234534, 351801, 703602, 1133581, 2267162, 3400743, 6801486, 10202229, 20404458]

約数ペア:

[(1, 20404458), (2, 10202229), (3, 6801486), (6, 3400743), (9, 2267162), (18, 1133581), (29, 703602), (58, 351801), (87, 234534), (174, 117267), (261, 78178), (522, 39089)]