20165739993

素因数分解:

$3^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{156677}}^1$

素因数の和:156923

約数の個数: 40

約数和(自身を含む): 34579461312

約数和(自身を除く): 14413721319

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 227, 567, 681, 1589, 2043, 4767, 6129, 14301, 18387, 42903, 128709, 156677, 470031, 1096739, 1410093, 3290217, 4230279, 9870651, 12690837, 29611953, 35565679, 88835859, 106697037, 248959753, 320091111, 746879259, 960273333, 2240637777, 2880819999, 6721913331, 20165739993]

約数ペア:

[(1, 20165739993), (3, 6721913331), (7, 2880819999), (9, 2240637777), (21, 960273333), (27, 746879259), (63, 320091111), (81, 248959753), (189, 106697037), (227, 88835859), (567, 35565679), (681, 29611953), (1589, 12690837), (2043, 9870651), (4767, 4230279), (6129, 3290217), (14301, 1410093), (18387, 1096739), (42903, 470031), (128709, 156677)]