20546645

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 30136320

約数和(自身を除く): 9589675

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 653, 899, 1015, 1085, 3265, 4495, 4571, 6293, 18937, 20243, 22855, 31465, 94685, 101215, 132559, 141701, 587047, 662795, 708505, 2935235, 4109329, 20546645]

約数ペア:

[(1, 20546645), (5, 4109329), (7, 2935235), (29, 708505), (31, 662795), (35, 587047), (145, 141701), (155, 132559), (203, 101215), (217, 94685), (653, 31465), (899, 22855), (1015, 20243), (1085, 18937), (3265, 6293), (4495, 4571)]