20209112

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 28002088

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 583, 616, 619, 742, 1166, 1238, 1484, 2332, 2476, 2968, 4081, 4333, 4664, 4952, 6809, 8162, 8666, 13618, 16324, 17332, 27236, 32648, 32807, 34664, 47663, 54472, 65614, 95326, 131228, 190652, 229649, 262456, 360877, 381304, 459298, 721754, 918596, 1443508, 1837192, 2526139, 2887016, 5052278, 10104556, 20209112]

約数ペア:

[(1, 20209112), (2, 10104556), (4, 5052278), (7, 2887016), (8, 2526139), (11, 1837192), (14, 1443508), (22, 918596), (28, 721754), (44, 459298), (53, 381304), (56, 360877), (77, 262456), (88, 229649), (106, 190652), (154, 131228), (212, 95326), (308, 65614), (371, 54472), (424, 47663), (583, 34664), (616, 32807), (619, 32648), (742, 27236), (1166, 17332), (1238, 16324), (1484, 13618), (2332, 8666), (2476, 8162), (2968, 6809), (4081, 4952), (4333, 4664)]