20123686135

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1\times {\mathrm{5521}}^1$

素因数の和:6223

約数の個数: 32

約数和(自身を含む): 27786350592

約数和(自身を除く): 7662664457

約数列:

[1, 5, 7, 35, 223, 467, 1115, 1561, 2335, 3269, 5521, 7805, 16345, 27605, 38647, 104141, 193235, 520705, 728987, 1231183, 2578307, 3644935, 6155915, 8618281, 12891535, 18048149, 43091405, 90240745, 574962461, 2874812305, 4024737227, 20123686135]

約数ペア:

[(1, 20123686135), (5, 4024737227), (7, 2874812305), (35, 574962461), (223, 90240745), (467, 43091405), (1115, 18048149), (1561, 12891535), (2335, 8618281), (3269, 6155915), (5521, 3644935), (7805, 2578307), (16345, 1231183), (27605, 728987), (38647, 520705), (104141, 193235)]