20180778035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1\times {\mathrm{3371}}^1$

素因数の和:4699

約数の個数: 32

約数和(自身を含む): 26745085440

約数和(自身を除く): 6564307405

約数列:

[1, 5, 11, 55, 89, 445, 979, 1223, 3371, 4895, 6115, 13453, 16855, 37081, 67265, 108847, 185405, 300019, 544235, 1197317, 1500095, 3300209, 4122733, 5986585, 16501045, 20613665, 45350063, 226750315, 366923237, 1834616185, 4036155607, 20180778035]

約数ペア:

[(1, 20180778035), (5, 4036155607), (11, 1834616185), (55, 366923237), (89, 226750315), (445, 45350063), (979, 20613665), (1223, 16501045), (3371, 5986585), (4895, 4122733), (6115, 3300209), (13453, 1500095), (16855, 1197317), (37081, 544235), (67265, 300019), (108847, 185405)]