20196783925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1\times {\mathrm{1153}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 26671663440

約数和(自身を除く): 6474879515

約数列:

[1, 5, 25, 29, 37, 145, 185, 653, 725, 925, 1073, 1153, 3265, 5365, 5765, 16325, 18937, 24161, 26825, 28825, 33437, 42661, 94685, 120805, 167185, 213305, 473425, 604025, 700669, 752909, 835925, 1066525, 1237169, 3503345, 3764545, 6185845, 17516725, 18822725, 21834361, 27857633, 30929225, 109171805, 139288165, 545859025, 696440825, 807871357, 4039356785, 20196783925]

約数ペア:

[(1, 20196783925), (5, 4039356785), (25, 807871357), (29, 696440825), (37, 545859025), (145, 139288165), (185, 109171805), (653, 30929225), (725, 27857633), (925, 21834361), (1073, 18822725), (1153, 17516725), (3265, 6185845), (5365, 3764545), (5765, 3503345), (16325, 1237169), (18937, 1066525), (24161, 835925), (26825, 752909), (28825, 700669), (33437, 604025), (42661, 473425), (94685, 213305), (120805, 167185)]