20197638860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^2\times {\mathrm{12601}}^1$

素因数の和:12831

約数の個数: 72

約数和(自身を含む): 48935481504

約数和(自身を除く): 28737842644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 11449, 12601, 14980, 22898, 25202, 45796, 50404, 57245, 63005, 80143, 88207, 114490, 126010, 160286, 176414, 228980, 252020, 320572, 352828, 400715, 441035, 801430, 882070, 1348307, 1602860, 1764140, 2696614, 5393228, 6741535, 9438149, 13483070, 18876298, 26966140, 37752596, 47190745, 94381490, 144268849, 188762980, 288537698, 577075396, 721344245, 1009881943, 1442688490, 2019763886, 2885376980, 4039527772, 5049409715, 10098819430, 20197638860]

約数ペア:

[(1, 20197638860), (2, 10098819430), (4, 5049409715), (5, 4039527772), (7, 2885376980), (10, 2019763886), (14, 1442688490), (20, 1009881943), (28, 721344245), (35, 577075396), (70, 288537698), (107, 188762980), (140, 144268849), (214, 94381490), (428, 47190745), (535, 37752596), (749, 26966140), (1070, 18876298), (1498, 13483070), (2140, 9438149), (2996, 6741535), (3745, 5393228), (7490, 2696614), (11449, 1764140), (12601, 1602860), (14980, 1348307), (22898, 882070), (25202, 801430), (45796, 441035), (50404, 400715), (57245, 352828), (63005, 320572), (80143, 252020), (88207, 228980), (114490, 176414), (126010, 160286)]