20886712

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 29190728

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 827, 902, 1148, 1654, 1804, 2296, 3157, 3308, 3608, 5789, 6314, 6616, 9097, 11578, 12628, 18194, 23156, 25256, 33907, 36388, 46312, 63679, 67814, 72776, 127358, 135628, 237349, 254716, 271256, 372977, 474698, 509432, 745954, 949396, 1491908, 1898792, 2610839, 2983816, 5221678, 10443356, 20886712]

約数ペア:

[(1, 20886712), (2, 10443356), (4, 5221678), (7, 2983816), (8, 2610839), (11, 1898792), (14, 1491908), (22, 949396), (28, 745954), (41, 509432), (44, 474698), (56, 372977), (77, 271256), (82, 254716), (88, 237349), (154, 135628), (164, 127358), (287, 72776), (308, 67814), (328, 63679), (451, 46312), (574, 36388), (616, 33907), (827, 25256), (902, 23156), (1148, 18194), (1654, 12628), (1804, 11578), (2296, 9097), (3157, 6616), (3308, 6314), (3608, 5789)]