20123100315

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 36842757120

約数和(自身を除く): 16719656805

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 151, 207, 331, 345, 389, 453, 755, 993, 1035, 1167, 1359, 1655, 1945, 2265, 2979, 3473, 3501, 4965, 5835, 6795, 7613, 8947, 10419, 14895, 17365, 17505, 22839, 26841, 31257, 38065, 44735, 49981, 52095, 58739, 68517, 80523, 114195, 128759, 134205, 149943, 156285, 176217, 249905, 293695, 342585, 386277, 402615, 449829, 528651, 643795, 749715, 881085, 1149563, 1158831, 1350997, 1931385, 2249145, 2643255, 2961457, 3448689, 4052991, 5747815, 5794155, 6754985, 8884371, 10346067, 12158973, 14807285, 17243445, 19442609, 20264955, 26653113, 44421855, 51730335, 58327827, 60794865, 97213045, 133265565, 174983481, 291639135, 447180007, 874917405, 1341540021, 2235900035, 4024620063, 6707700105, 20123100315]

約数ペア:

[(1, 20123100315), (3, 6707700105), (5, 4024620063), (9, 2235900035), (15, 1341540021), (23, 874917405), (45, 447180007), (69, 291639135), (115, 174983481), (151, 133265565), (207, 97213045), (331, 60794865), (345, 58327827), (389, 51730335), (453, 44421855), (755, 26653113), (993, 20264955), (1035, 19442609), (1167, 17243445), (1359, 14807285), (1655, 12158973), (1945, 10346067), (2265, 8884371), (2979, 6754985), (3473, 5794155), (3501, 5747815), (4965, 4052991), (5835, 3448689), (6795, 2961457), (7613, 2643255), (8947, 2249145), (10419, 1931385), (14895, 1350997), (17365, 1158831), (17505, 1149563), (22839, 881085), (26841, 749715), (31257, 643795), (38065, 528651), (44735, 449829), (49981, 402615), (52095, 386277), (58739, 342585), (68517, 293695), (80523, 249905), (114195, 176217), (128759, 156285), (134205, 149943)]