20177101053

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{26921}}^1$

素因数の和:27439

約数の個数: 40

約数和(自身を含む): 31793805120

約数和(自身を除く): 11616704067

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 487, 513, 1461, 1539, 4383, 9253, 13149, 26921, 27759, 39447, 80763, 83277, 242289, 249831, 511499, 726867, 749493, 1534497, 2180601, 4603491, 13110527, 13810473, 39331581, 41431419, 117994743, 249100013, 353984229, 747300039, 1061952687, 2241900117, 6725700351, 20177101053]

約数ペア:

[(1, 20177101053), (3, 6725700351), (9, 2241900117), (19, 1061952687), (27, 747300039), (57, 353984229), (81, 249100013), (171, 117994743), (487, 41431419), (513, 39331581), (1461, 13810473), (1539, 13110527), (4383, 4603491), (9253, 2180601), (13149, 1534497), (26921, 749493), (27759, 726867), (39447, 511499), (80763, 249831), (83277, 242289)]