20097240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{449}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 60588000

約数和(自身を除く): 40490760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 373, 449, 746, 898, 1119, 1347, 1492, 1796, 1865, 2238, 2245, 2694, 2984, 3592, 3730, 4476, 4490, 5388, 5595, 6735, 7460, 8952, 8980, 10776, 11190, 13470, 14920, 17960, 22380, 26940, 44760, 53880, 167477, 334954, 502431, 669908, 837385, 1004862, 1339816, 1674770, 2009724, 2512155, 3349540, 4019448, 5024310, 6699080, 10048620, 20097240]

約数ペア:

[(1, 20097240), (2, 10048620), (3, 6699080), (4, 5024310), (5, 4019448), (6, 3349540), (8, 2512155), (10, 2009724), (12, 1674770), (15, 1339816), (20, 1004862), (24, 837385), (30, 669908), (40, 502431), (60, 334954), (120, 167477), (373, 53880), (449, 44760), (746, 26940), (898, 22380), (1119, 17960), (1347, 14920), (1492, 13470), (1796, 11190), (1865, 10776), (2238, 8980), (2245, 8952), (2694, 7460), (2984, 6735), (3592, 5595), (3730, 5388), (4476, 4490)]