20237220580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{601}}^1\times {\mathrm{1021}}^1$

素因数の和:1745

約数の個数: 96

約数和(自身を含む): 45582197472

約数和(自身を除く): 25344976892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 601, 970, 1021, 1202, 1649, 1940, 2042, 2404, 3005, 3298, 4084, 5105, 6010, 6596, 8245, 10210, 10217, 12020, 16490, 17357, 20420, 20434, 32980, 34714, 40868, 51085, 58297, 69428, 86785, 99037, 102170, 116594, 173570, 198074, 204340, 233188, 291485, 347140, 396148, 495185, 582970, 613621, 990370, 991049, 1165940, 1227242, 1683629, 1980740, 1982098, 2454484, 3068105, 3367258, 3964196, 4955245, 6136210, 6734516, 8418145, 9910490, 10431557, 12272420, 16836290, 19820980, 20863114, 33672580, 41726228, 52157785, 59521237, 104315570, 119042474, 208631140, 238084948, 297606185, 595212370, 1011861029, 1190424740, 2023722058, 4047444116, 5059305145, 10118610290, 20237220580]

約数ペア:

[(1, 20237220580), (2, 10118610290), (4, 5059305145), (5, 4047444116), (10, 2023722058), (17, 1190424740), (20, 1011861029), (34, 595212370), (68, 297606185), (85, 238084948), (97, 208631140), (170, 119042474), (194, 104315570), (340, 59521237), (388, 52157785), (485, 41726228), (601, 33672580), (970, 20863114), (1021, 19820980), (1202, 16836290), (1649, 12272420), (1940, 10431557), (2042, 9910490), (2404, 8418145), (3005, 6734516), (3298, 6136210), (4084, 4955245), (5105, 3964196), (6010, 3367258), (6596, 3068105), (8245, 2454484), (10210, 1982098), (10217, 1980740), (12020, 1683629), (16490, 1227242), (17357, 1165940), (20420, 991049), (20434, 990370), (32980, 613621), (34714, 582970), (40868, 495185), (51085, 396148), (58297, 347140), (69428, 291485), (86785, 233188), (99037, 204340), (102170, 198074), (116594, 173570)]