20851992

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4597}}^1$

素因数の和:4622

約数の個数: 80

約数和(自身を含む): 66762960

約数和(自身を除く): 45910968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4597, 9194, 13791, 18388, 27582, 32179, 36776, 41373, 55164, 64358, 82746, 96537, 110328, 124119, 128716, 165492, 193074, 248238, 257432, 289611, 330984, 372357, 386148, 496476, 579222, 744714, 772296, 868833, 992952, 1158444, 1489428, 1737666, 2316888, 2606499, 2978856, 3475332, 5212998, 6950664, 10425996, 20851992]

約数ペア:

[(1, 20851992), (2, 10425996), (3, 6950664), (4, 5212998), (6, 3475332), (7, 2978856), (8, 2606499), (9, 2316888), (12, 1737666), (14, 1489428), (18, 1158444), (21, 992952), (24, 868833), (27, 772296), (28, 744714), (36, 579222), (42, 496476), (54, 386148), (56, 372357), (63, 330984), (72, 289611), (81, 257432), (84, 248238), (108, 193074), (126, 165492), (162, 128716), (168, 124119), (189, 110328), (216, 96537), (252, 82746), (324, 64358), (378, 55164), (504, 41373), (567, 36776), (648, 32179), (756, 27582), (1134, 18388), (1512, 13791), (2268, 9194), (4536, 4597)]