20898381505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{57859}}^1$

素因数の和:57993

約数の個数: 32

約数和(自身を含む): 26995161600

約数和(自身を除く): 6096780095

約数列:

[1, 5, 29, 47, 53, 145, 235, 265, 1363, 1537, 2491, 6815, 7685, 12455, 57859, 72239, 289295, 361195, 1677911, 2719373, 3066527, 8389555, 13596865, 15332635, 78861817, 88929283, 144126769, 394309085, 444646415, 720633845, 4179676301, 20898381505]

約数ペア:

[(1, 20898381505), (5, 4179676301), (29, 720633845), (47, 444646415), (53, 394309085), (145, 144126769), (235, 88929283), (265, 78861817), (1363, 15332635), (1537, 13596865), (2491, 8389555), (6815, 3066527), (7685, 2719373), (12455, 1677911), (57859, 361195), (72239, 289295)]