23920685

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 31460352

約数和(自身を除く): 7539667

約数列:

[1, 5, 31, 37, 43, 97, 155, 185, 215, 485, 1147, 1333, 1591, 3007, 3589, 4171, 5735, 6665, 7955, 15035, 17945, 20855, 49321, 111259, 129301, 154327, 246605, 556295, 646505, 771635, 4784137, 23920685]

約数ペア:

[(1, 23920685), (5, 4784137), (31, 771635), (37, 646505), (43, 556295), (97, 246605), (155, 154327), (185, 129301), (215, 111259), (485, 49321), (1147, 20855), (1333, 17945), (1591, 15035), (3007, 7955), (3589, 6665), (4171, 5735)]