20514103613640

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{216751}}^1$

素因数の和:216904

約数の個数: 768

約数和(自身を含む): 85891222609920

約数和(自身を除く): 65377118996280

約数列:

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4102820722728, 5128525903410, 6838034537880, 10257051806820, 20514103613640]

約数ペア:

[(1, 20514103613640), (2, 10257051806820), (3, 6838034537880), (4, 5128525903410), (5, 4102820722728), (6, 3419017268940), (7, 2930586230520), (8, 2564262951705), (9, 2279344845960), (10, 2051410361364), (12, 1709508634470), (13, 1578007970280), (14, 1465293115260), (15, 1367606907576), (18, 1139672422980), (20, 1025705180682), (21, 976862076840), (24, 854754317235), (26, 789003985140), (27, 759781615320), (28, 732646557630), (30, 683803453788), (35, 586117246104), (36, 569836211490), (39, 526002656760), (40, 512852590341), (42, 488431038420), (45, 455868969192), (52, 394501992570), (54, 379890807660), (56, 366323278815), (60, 341901726894), (63, 325620692280), (65, 315601594056), (70, 293058623052), (72, 284918105745), (78, 263001328380), (81, 253260538440), (84, 244215519210), (90, 227934484596), (91, 225429710040), (104, 197250996285), (105, 195372415368), (107, 191720594520), (108, 189945403830), (117, 175334218920), (120, 170950863447), (126, 162810346140), (130, 157800797028), 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