20602725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 42747264

約数和(自身を除く): 22144539

約数列:

[1, 3, 5, 11, 13, 15, 17, 25, 33, 39, 51, 55, 65, 75, 85, 113, 143, 165, 187, 195, 221, 255, 275, 325, 339, 425, 429, 561, 565, 663, 715, 825, 935, 975, 1105, 1243, 1275, 1469, 1695, 1921, 2145, 2431, 2805, 2825, 3315, 3575, 3729, 4407, 4675, 5525, 5763, 6215, 7293, 7345, 8475, 9605, 10725, 12155, 14025, 16159, 16575, 18645, 21131, 22035, 24973, 28815, 31075, 36465, 36725, 48025, 48477, 60775, 63393, 74919, 80795, 93225, 105655, 110175, 124865, 144075, 182325, 242385, 274703, 316965, 374595, 403975, 528275, 624325, 824109, 1211925, 1373515, 1584825, 1872975, 4120545, 6867575, 20602725]

約数ペア:

[(1, 20602725), (3, 6867575), (5, 4120545), (11, 1872975), (13, 1584825), (15, 1373515), (17, 1211925), (25, 824109), (33, 624325), (39, 528275), (51, 403975), (55, 374595), (65, 316965), (75, 274703), (85, 242385), (113, 182325), (143, 144075), (165, 124865), (187, 110175), (195, 105655), (221, 93225), (255, 80795), (275, 74919), (325, 63393), (339, 60775), (425, 48477), (429, 48025), (561, 36725), (565, 36465), (663, 31075), (715, 28815), (825, 24973), (935, 22035), (975, 21131), (1105, 18645), (1243, 16575), (1275, 16159), (1469, 14025), (1695, 12155), (1921, 10725), (2145, 9605), (2431, 8475), (2805, 7345), (2825, 7293), (3315, 6215), (3575, 5763), (3729, 5525), (4407, 4675)]