20010551386

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1\times {\mathrm{1471}}^1$

素因数の和:2495

約数の個数: 64

約数和(自身を含む): 36981633024

約数和(自身を除く): 16971081638

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 937, 1037, 1471, 1874, 2074, 2942, 6559, 7259, 10297, 13118, 14518, 15929, 20594, 25007, 31858, 50014, 57157, 89731, 111503, 114314, 175049, 179462, 223006, 350098, 400099, 628117, 800198, 971669, 1256234, 1378327, 1525427, 1943338, 2756654, 3050854, 6801683, 9648289, 10677989, 13603366, 19296578, 21355978, 23431559, 46863118, 84077947, 164020913, 168155894, 328041826, 588545629, 1177091258, 1429325099, 2858650198, 10005275693, 20010551386]

約数ペア:

[(1, 20010551386), (2, 10005275693), (7, 2858650198), (14, 1429325099), (17, 1177091258), (34, 588545629), (61, 328041826), (119, 168155894), (122, 164020913), (238, 84077947), (427, 46863118), (854, 23431559), (937, 21355978), (1037, 19296578), (1471, 13603366), (1874, 10677989), (2074, 9648289), (2942, 6801683), (6559, 3050854), (7259, 2756654), (10297, 1943338), (13118, 1525427), (14518, 1378327), (15929, 1256234), (20594, 971669), (25007, 800198), (31858, 628117), (50014, 400099), (57157, 350098), (89731, 223006), (111503, 179462), (114314, 175049)]