20790719560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10223}}^1\times {\mathrm{3911}}^1$

素因数の和:14158

約数の個数: 64

約数和(自身を含む): 50395322880

約数和(自身を除く): 29604603320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3911, 7822, 10223, 15644, 19555, 20446, 31288, 39110, 40892, 50843, 51115, 78220, 81784, 101686, 102230, 132899, 156440, 203372, 204460, 254215, 265798, 406744, 408920, 508430, 531596, 664495, 1016860, 1063192, 1328990, 2033720, 2657980, 5315960, 39982153, 79964306, 159928612, 199910765, 319857224, 399821530, 519767989, 799643060, 1039535978, 1599286120, 2079071956, 2598839945, 4158143912, 5197679890, 10395359780, 20790719560]

約数ペア:

[(1, 20790719560), (2, 10395359780), (4, 5197679890), (5, 4158143912), (8, 2598839945), (10, 2079071956), (13, 1599286120), (20, 1039535978), (26, 799643060), (40, 519767989), (52, 399821530), (65, 319857224), (104, 199910765), (130, 159928612), (260, 79964306), (520, 39982153), (3911, 5315960), (7822, 2657980), (10223, 2033720), (15644, 1328990), (19555, 1063192), (20446, 1016860), (31288, 664495), (39110, 531596), (40892, 508430), (50843, 408920), (51115, 406744), (78220, 265798), (81784, 254215), (101686, 204460), (102230, 203372), (132899, 156440)]