20946156720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{899749}}^1$

素因数の和:899862

約数の個数: 80

約数和(自身を含む): 65602572000

約数和(自身を除く): 44656415280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3880, 4656, 5820, 7760, 11640, 23280, 899749, 1799498, 2699247, 3598996, 4498745, 5398494, 7197992, 8997490, 10796988, 13496235, 14395984, 17994980, 21593976, 26992470, 35989960, 43187952, 53984940, 71979920, 87275653, 107969880, 174551306, 215939760, 261826959, 349102612, 436378265, 523653918, 698205224, 872756530, 1047307836, 1309134795, 1396410448, 1745513060, 2094615672, 2618269590, 3491026120, 4189231344, 5236539180, 6982052240, 10473078360, 20946156720]

約数ペア:

[(1, 20946156720), (2, 10473078360), (3, 6982052240), (4, 5236539180), (5, 4189231344), (6, 3491026120), (8, 2618269590), (10, 2094615672), (12, 1745513060), (15, 1396410448), (16, 1309134795), (20, 1047307836), (24, 872756530), (30, 698205224), (40, 523653918), (48, 436378265), (60, 349102612), (80, 261826959), (97, 215939760), (120, 174551306), (194, 107969880), (240, 87275653), (291, 71979920), (388, 53984940), (485, 43187952), (582, 35989960), (776, 26992470), (970, 21593976), (1164, 17994980), (1455, 14395984), (1552, 13496235), (1940, 10796988), (2328, 8997490), (2910, 7197992), (3880, 5398494), (4656, 4498745), (5820, 3598996), (7760, 2699247), (11640, 1799498), (23280, 899749)]