20001384

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 63504000

約数和(自身を除く): 43502616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 34, 36, 39, 51, 52, 54, 68, 72, 78, 102, 104, 108, 117, 136, 153, 156, 204, 216, 221, 234, 306, 312, 351, 408, 419, 442, 459, 468, 612, 663, 702, 838, 884, 918, 936, 1224, 1257, 1326, 1404, 1676, 1768, 1836, 1989, 2514, 2652, 2808, 3352, 3672, 3771, 3978, 5028, 5304, 5447, 5967, 7123, 7542, 7956, 10056, 10894, 11313, 11934, 14246, 15084, 15912, 16341, 21369, 21788, 22626, 23868, 28492, 30168, 32682, 42738, 43576, 45252, 47736, 49023, 56984, 64107, 65364, 85476, 90504, 92599, 98046, 128214, 130728, 147069, 170952, 185198, 192321, 196092, 256428, 277797, 294138, 370396, 384642, 392184, 512856, 555594, 588276, 740792, 769284, 833391, 1111188, 1176552, 1538568, 1666782, 2222376, 2500173, 3333564, 5000346, 6667128, 10000692, 20001384]

約数ペア:

[(1, 20001384), (2, 10000692), (3, 6667128), (4, 5000346), (6, 3333564), (8, 2500173), (9, 2222376), (12, 1666782), (13, 1538568), (17, 1176552), (18, 1111188), (24, 833391), (26, 769284), (27, 740792), (34, 588276), (36, 555594), (39, 512856), (51, 392184), (52, 384642), (54, 370396), (68, 294138), (72, 277797), (78, 256428), (102, 196092), (104, 192321), (108, 185198), (117, 170952), (136, 147069), (153, 130728), (156, 128214), (204, 98046), (216, 92599), (221, 90504), (234, 85476), (306, 65364), (312, 64107), (351, 56984), (408, 49023), (419, 47736), (442, 45252), (459, 43576), (468, 42738), (612, 32682), (663, 30168), (702, 28492), (838, 23868), (884, 22626), (918, 21788), (936, 21369), (1224, 16341), (1257, 15912), (1326, 15084), (1404, 14246), (1676, 11934), (1768, 11313), (1836, 10894), (1989, 10056), (2514, 7956), (2652, 7542), (2808, 7123), (3352, 5967), (3672, 5447), (3771, 5304), (3978, 5028)]