20227549615

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89449}}^1$

素因数の和:89552

約数の個数: 48

約数和(自身を含む): 30836635200

約数和(自身を除く): 10609085585

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 245, 355, 455, 497, 637, 923, 2485, 3185, 3479, 4615, 6461, 17395, 32305, 45227, 89449, 226135, 447245, 626143, 1162837, 3130715, 4383001, 5814185, 6350879, 8139859, 21915005, 31754395, 40699295, 44456153, 56979013, 82561427, 222280765, 284895065, 311193071, 412807135, 577929989, 1555965355, 2889649945, 4045509923, 20227549615]

約数ペア:

[(1, 20227549615), (5, 4045509923), (7, 2889649945), (13, 1555965355), (35, 577929989), (49, 412807135), (65, 311193071), (71, 284895065), (91, 222280765), (245, 82561427), (355, 56979013), (455, 44456153), (497, 40699295), (637, 31754395), (923, 21915005), (2485, 8139859), (3185, 6350879), (3479, 5814185), (4615, 4383001), (6461, 3130715), (17395, 1162837), (32305, 626143), (45227, 447245), (89449, 226135)]