20512202074

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1\times {\mathrm{3769}}^1$

素因数の和:5567

約数の個数: 64

約数和(自身を含む): 40129689600

約数和(自身を除く): 19617487526

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 1759, 3094, 3518, 3769, 7538, 12313, 22867, 24626, 26383, 29903, 45734, 48997, 52766, 59806, 64073, 97994, 128146, 160069, 209321, 320138, 342979, 388739, 418642, 448511, 685958, 777478, 832949, 897022, 1665898, 2721173, 5442346, 5830643, 6629671, 11661286, 13259342, 46407697, 86185723, 92815394, 112704407, 172371446, 225408814, 603300061, 788930849, 1206600122, 1465157291, 1577861698, 2930314582, 10256101037, 20512202074]

約数ペア:

[(1, 20512202074), (2, 10256101037), (7, 2930314582), (13, 1577861698), (14, 1465157291), (17, 1206600122), (26, 788930849), (34, 603300061), (91, 225408814), (119, 172371446), (182, 112704407), (221, 92815394), (238, 86185723), (442, 46407697), (1547, 13259342), (1759, 11661286), (3094, 6629671), (3518, 5830643), (3769, 5442346), (7538, 2721173), (12313, 1665898), (22867, 897022), (24626, 832949), (26383, 777478), (29903, 685958), (45734, 448511), (48997, 418642), (52766, 388739), (59806, 342979), (64073, 320138), (97994, 209321), (128146, 160069)]