20177896545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{352237}}^1$

素因数の和:352334

約数の個数: 48

約数和(自身を含む): 37365407040

約数和(自身を除く): 17187510495

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 67, 95, 171, 201, 285, 335, 603, 855, 1005, 1273, 3015, 3819, 6365, 11457, 19095, 57285, 352237, 1056711, 1761185, 3170133, 5283555, 6692503, 15850665, 20077509, 23599879, 33462515, 60232527, 70799637, 100387545, 117999395, 212398911, 301162635, 353998185, 448397701, 1061994555, 1345193103, 2241988505, 4035579309, 6725965515, 20177896545]

約数ペア:

[(1, 20177896545), (3, 6725965515), (5, 4035579309), (9, 2241988505), (15, 1345193103), (19, 1061994555), (45, 448397701), (57, 353998185), (67, 301162635), (95, 212398911), (171, 117999395), (201, 100387545), (285, 70799637), (335, 60232527), (603, 33462515), (855, 23599879), (1005, 20077509), (1273, 15850665), (3015, 6692503), (3819, 5283555), (6365, 3170133), (11457, 1761185), (19095, 1056711), (57285, 352237)]