20554086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 30133914

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 599, 602, 798, 817, 903, 1198, 1634, 1797, 1806, 2451, 3594, 4193, 4902, 5719, 8386, 11381, 11438, 12579, 17157, 22762, 25158, 25757, 34143, 34314, 51514, 68286, 77271, 79667, 154542, 159334, 180299, 239001, 360598, 478002, 489383, 540897, 978766, 1081794, 1468149, 2936298, 3425681, 6851362, 10277043, 20554086]

約数ペア:

[(1, 20554086), (2, 10277043), (3, 6851362), (6, 3425681), (7, 2936298), (14, 1468149), (19, 1081794), (21, 978766), (38, 540897), (42, 489383), (43, 478002), (57, 360598), (86, 239001), (114, 180299), (129, 159334), (133, 154542), (258, 79667), (266, 77271), (301, 68286), (399, 51514), (599, 34314), (602, 34143), (798, 25757), (817, 25158), (903, 22762), (1198, 17157), (1634, 12579), (1797, 11438), (1806, 11381), (2451, 8386), (3594, 5719), (4193, 4902)]