20945430888

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{130589}}^1$

素因数の和:130802

約数の個数: 64

約数和(自身を含む): 53970235200

約数和(自身を除く): 33024804312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 163, 164, 246, 326, 328, 489, 492, 652, 978, 984, 1304, 1956, 3912, 6683, 13366, 20049, 26732, 40098, 53464, 80196, 130589, 160392, 261178, 391767, 522356, 783534, 1044712, 1567068, 3134136, 5354149, 10708298, 16062447, 21286007, 21416596, 32124894, 42572014, 42833192, 63858021, 64249788, 85144028, 127716042, 128499576, 170288056, 255432084, 510864168, 872726287, 1745452574, 2618178861, 3490905148, 5236357722, 6981810296, 10472715444, 20945430888]

約数ペア:

[(1, 20945430888), (2, 10472715444), (3, 6981810296), (4, 5236357722), (6, 3490905148), (8, 2618178861), (12, 1745452574), (24, 872726287), (41, 510864168), (82, 255432084), (123, 170288056), (163, 128499576), (164, 127716042), (246, 85144028), (326, 64249788), (328, 63858021), (489, 42833192), (492, 42572014), (652, 32124894), (978, 21416596), (984, 21286007), (1304, 16062447), (1956, 10708298), (3912, 5354149), (6683, 3134136), (13366, 1567068), (20049, 1044712), (26732, 783534), (40098, 522356), (53464, 391767), (80196, 261178), (130589, 160392)]