20872656

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20707}}^1$

素因数の和:20728

約数の個数: 60

約数和(自身を含む): 66762592

約数和(自身を除く): 45889936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20707, 41414, 62121, 82828, 124242, 144949, 165656, 186363, 248484, 289898, 331312, 372726, 434847, 496968, 579796, 745452, 869694, 993936, 1159592, 1304541, 1490904, 1739388, 2319184, 2609082, 2981808, 3478776, 5218164, 6957552, 10436328, 20872656]

約数ペア:

[(1, 20872656), (2, 10436328), (3, 6957552), (4, 5218164), (6, 3478776), (7, 2981808), (8, 2609082), (9, 2319184), (12, 1739388), (14, 1490904), (16, 1304541), (18, 1159592), (21, 993936), (24, 869694), (28, 745452), (36, 579796), (42, 496968), (48, 434847), (56, 372726), (63, 331312), (72, 289898), (84, 248484), (112, 186363), (126, 165656), (144, 144949), (168, 124242), (252, 82828), (336, 62121), (504, 41414), (1008, 20707)]