20216647565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{4943}}^1$

素因数の和:5341

約数の個数: 32

約数和(自身を含む): 25296509952

約数和(自身を除く): 5079862387

約数列:

[1, 5, 41, 71, 205, 281, 355, 1405, 2911, 4943, 11521, 14555, 19951, 24715, 57605, 99755, 202663, 350953, 817991, 1013315, 1388983, 1754765, 4089955, 6944915, 14389073, 56948303, 71945365, 98617793, 284741515, 493088965, 4043329513, 20216647565]

約数ペア:

[(1, 20216647565), (5, 4043329513), (41, 493088965), (71, 284741515), (205, 98617793), (281, 71945365), (355, 56948303), (1405, 14389073), (2911, 6944915), (4943, 4089955), (11521, 1754765), (14555, 1388983), (19951, 1013315), (24715, 817991), (57605, 350953), (99755, 202663)]