20528040560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4841519}}^1$

素因数の和:4841585

約数の個数: 40

約数和(自身を含む): 48628226880

約数和(自身を除く): 28100186320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4841519, 9683038, 19366076, 24207595, 38732152, 48415190, 77464304, 96830380, 193660760, 256600507, 387321520, 513201014, 1026402028, 1283002535, 2052804056, 2566005070, 4105608112, 5132010140, 10264020280, 20528040560]

約数ペア:

[(1, 20528040560), (2, 10264020280), (4, 5132010140), (5, 4105608112), (8, 2566005070), (10, 2052804056), (16, 1283002535), (20, 1026402028), (40, 513201014), (53, 387321520), (80, 256600507), (106, 193660760), (212, 96830380), (265, 77464304), (424, 48415190), (530, 38732152), (848, 24207595), (1060, 19366076), (2120, 9683038), (4240, 4841519)]