20941470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 61477920

約数和(自身を除く): 40536450

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 121, 135, 165, 198, 242, 270, 297, 330, 363, 495, 594, 605, 641, 726, 990, 1089, 1210, 1282, 1485, 1815, 1923, 2178, 2970, 3205, 3267, 3630, 3846, 5445, 5769, 6410, 6534, 7051, 9615, 10890, 11538, 14102, 16335, 17307, 19230, 21153, 28845, 32670, 34614, 35255, 42306, 57690, 63459, 70510, 77561, 86535, 105765, 126918, 155122, 173070, 190377, 211530, 232683, 317295, 380754, 387805, 465366, 634590, 698049, 775610, 951885, 1163415, 1396098, 1903770, 2094147, 2326830, 3490245, 4188294, 6980490, 10470735, 20941470]

約数ペア:

[(1, 20941470), (2, 10470735), (3, 6980490), (5, 4188294), (6, 3490245), (9, 2326830), (10, 2094147), (11, 1903770), (15, 1396098), (18, 1163415), (22, 951885), (27, 775610), (30, 698049), (33, 634590), (45, 465366), (54, 387805), (55, 380754), (66, 317295), (90, 232683), (99, 211530), (110, 190377), (121, 173070), (135, 155122), (165, 126918), (198, 105765), (242, 86535), (270, 77561), (297, 70510), (330, 63459), (363, 57690), (495, 42306), (594, 35255), (605, 34614), (641, 32670), (726, 28845), (990, 21153), (1089, 19230), (1210, 17307), (1282, 16335), (1485, 14102), (1815, 11538), (1923, 10890), (2178, 9615), (2970, 7051), (3205, 6534), (3267, 6410), (3630, 5769), (3846, 5445)]