2019928820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1109851}}^1$

素因数の和:1109880

約数の個数: 48

約数和(自身を含む): 5220743808

約数和(自身を除く): 3200814988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 1109851, 2219702, 4439404, 5549255, 7768957, 11098510, 14428063, 15537914, 22197020, 28856126, 31075828, 38844785, 57712252, 72140315, 77689570, 100996441, 144280630, 155379140, 201992882, 288561260, 403985764, 504982205, 1009964410, 2019928820]

約数ペア:

[(1, 2019928820), (2, 1009964410), (4, 504982205), (5, 403985764), (7, 288561260), (10, 201992882), (13, 155379140), (14, 144280630), (20, 100996441), (26, 77689570), (28, 72140315), (35, 57712252), (52, 38844785), (65, 31075828), (70, 28856126), (91, 22197020), (130, 15537914), (140, 14428063), (182, 11098510), (260, 7768957), (364, 5549255), (455, 4439404), (910, 2219702), (1820, 1109851)]