20096720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2148

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 36471088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2111, 2380, 4222, 4760, 8444, 9520, 10555, 14777, 16888, 21110, 29554, 33776, 35887, 42220, 59108, 71774, 73885, 84440, 118216, 143548, 147770, 168880, 179435, 236432, 251209, 287096, 295540, 358870, 502418, 574192, 591080, 717740, 1004836, 1182160, 1256045, 1435480, 2009672, 2512090, 2870960, 4019344, 5024180, 10048360, 20096720]

約数ペア:

[(1, 20096720), (2, 10048360), (4, 5024180), (5, 4019344), (7, 2870960), (8, 2512090), (10, 2009672), (14, 1435480), (16, 1256045), (17, 1182160), (20, 1004836), (28, 717740), (34, 591080), (35, 574192), (40, 502418), (56, 358870), (68, 295540), (70, 287096), (80, 251209), (85, 236432), (112, 179435), (119, 168880), (136, 147770), (140, 143548), (170, 118216), (238, 84440), (272, 73885), (280, 71774), (340, 59108), (476, 42220), (560, 35887), (595, 33776), (680, 29554), (952, 21110), (1190, 16888), (1360, 14777), (1904, 10555), (2111, 9520), (2380, 8444), (4222, 4760)]