20749176

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13723}}^1$

素因数の和:13745

約数の個数: 64

約数和(自身を含む): 65875200

約数和(自身を除く): 45126024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13723, 27446, 41169, 54892, 82338, 96061, 109784, 123507, 164676, 192122, 247014, 288183, 329352, 370521, 384244, 494028, 576366, 741042, 768488, 864549, 988056, 1152732, 1482084, 1729098, 2305464, 2593647, 2964168, 3458196, 5187294, 6916392, 10374588, 20749176]

約数ペア:

[(1, 20749176), (2, 10374588), (3, 6916392), (4, 5187294), (6, 3458196), (7, 2964168), (8, 2593647), (9, 2305464), (12, 1729098), (14, 1482084), (18, 1152732), (21, 988056), (24, 864549), (27, 768488), (28, 741042), (36, 576366), (42, 494028), (54, 384244), (56, 370521), (63, 329352), (72, 288183), (84, 247014), (108, 192122), (126, 164676), (168, 123507), (189, 109784), (216, 96061), (252, 82338), (378, 54892), (504, 41169), (756, 27446), (1512, 13723)]