20174878997

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{19009}}^1$

素因数の和:19245

約数の個数: 32

約数和(自身を含む): 25293945600

約数和(自身を除く): 5119066603

約数列:

[1, 7, 13, 91, 107, 109, 749, 763, 1391, 1417, 9737, 9919, 11663, 19009, 81641, 133063, 151619, 247117, 1061333, 1729819, 2033963, 2071981, 14237741, 14503867, 26441519, 26935753, 185090633, 188550271, 221701967, 1551913769, 2882125571, 20174878997]

約数ペア:

[(1, 20174878997), (7, 2882125571), (13, 1551913769), (91, 221701967), (107, 188550271), (109, 185090633), (749, 26935753), (763, 26441519), (1391, 14503867), (1417, 14237741), (9737, 2071981), (9919, 2033963), (11663, 1729819), (19009, 1061333), (81641, 247117), (133063, 151619)]