20214954145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1\times {\mathrm{4507}}^1$

素因数の和:6085

約数の個数: 32

約数和(自身を含む): 26381537280

約数和(自身を除く): 6166583135

約数列:

[1, 5, 19, 31, 95, 155, 589, 1523, 2945, 4507, 7615, 22535, 28937, 47213, 85633, 139717, 144685, 236065, 428165, 698585, 897047, 2654623, 4485235, 6864161, 13273115, 34320805, 130419059, 212788991, 652095295, 1063944955, 4042990829, 20214954145]

約数ペア:

[(1, 20214954145), (5, 4042990829), (19, 1063944955), (31, 652095295), (95, 212788991), (155, 130419059), (589, 34320805), (1523, 13273115), (2945, 6864161), (4507, 4485235), (7615, 2654623), (22535, 897047), (28937, 698585), (47213, 428165), (85633, 236065), (139717, 144685)]