20136182680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{242371}}^1$

素因数の和:242480

約数の個数: 64

約数和(自身を含む): 47466132480

約数和(自身を除く): 27329949800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 1240, 1340, 2077, 2680, 4154, 8308, 10385, 16616, 20770, 41540, 83080, 242371, 484742, 969484, 1211855, 1938968, 2423710, 4847420, 7513501, 9694840, 15027002, 16238857, 30054004, 32477714, 37567505, 60108008, 64955428, 75135010, 81194285, 129910856, 150270020, 162388570, 300540040, 324777140, 503404567, 649554280, 1006809134, 2013618268, 2517022835, 4027236536, 5034045670, 10068091340, 20136182680]

約数ペア:

[(1, 20136182680), (2, 10068091340), (4, 5034045670), (5, 4027236536), (8, 2517022835), (10, 2013618268), (20, 1006809134), (31, 649554280), (40, 503404567), (62, 324777140), (67, 300540040), (124, 162388570), (134, 150270020), (155, 129910856), (248, 81194285), (268, 75135010), (310, 64955428), (335, 60108008), (536, 37567505), (620, 32477714), (670, 30054004), (1240, 16238857), (1340, 15027002), (2077, 9694840), (2680, 7513501), (4154, 4847420), (8308, 2423710), (10385, 1938968), (16616, 1211855), (20770, 969484), (41540, 484742), (83080, 242371)]