20829121936

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{18481}}^1$

素因数の和:18872

約数の個数: 80

約数和(自身を含む): 47852115840

約数和(自身を除く): 27022993904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 347, 406, 464, 694, 812, 1388, 1624, 2429, 2776, 3248, 4858, 5552, 9716, 10063, 18481, 19432, 20126, 36962, 38864, 40252, 70441, 73924, 80504, 129367, 140882, 147848, 161008, 258734, 281764, 295696, 517468, 535949, 563528, 1034936, 1071898, 1127056, 2069872, 2143796, 3751643, 4287592, 6412907, 7503286, 8575184, 12825814, 15006572, 25651628, 30013144, 44890349, 51303256, 60026288, 89780698, 102606512, 179561396, 185974303, 359122792, 371948606, 718245584, 743897212, 1301820121, 1487794424, 2603640242, 2975588848, 5207280484, 10414560968, 20829121936]

約数ペア:

[(1, 20829121936), (2, 10414560968), (4, 5207280484), (7, 2975588848), (8, 2603640242), (14, 1487794424), (16, 1301820121), (28, 743897212), (29, 718245584), (56, 371948606), (58, 359122792), (112, 185974303), (116, 179561396), (203, 102606512), (232, 89780698), (347, 60026288), (406, 51303256), (464, 44890349), (694, 30013144), (812, 25651628), (1388, 15006572), (1624, 12825814), (2429, 8575184), (2776, 7503286), (3248, 6412907), (4858, 4287592), (5552, 3751643), (9716, 2143796), (10063, 2069872), (18481, 1127056), (19432, 1071898), (20126, 1034936), (36962, 563528), (38864, 535949), (40252, 517468), (70441, 295696), (73924, 281764), (80504, 258734), (129367, 161008), (140882, 147848)]