20123705415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{4451}}^1$

素因数の和:4581

約数の個数: 96

約数和(自身を含む): 36834352128

約数和(自身を除く): 16710646713

約数列:

[1, 3, 5, 11, 15, 33, 47, 53, 55, 121, 141, 159, 165, 235, 265, 363, 517, 583, 605, 705, 795, 1551, 1749, 1815, 2491, 2585, 2915, 4451, 5687, 6413, 7473, 7755, 8745, 12455, 13353, 17061, 19239, 22255, 27401, 28435, 32065, 37365, 48961, 66765, 82203, 85305, 96195, 137005, 146883, 209197, 235903, 244805, 301411, 411015, 538571, 627591, 707709, 734415, 904233, 1045985, 1179515, 1507055, 1615713, 2301167, 2594933, 2692855, 3137955, 3538545, 4521165, 6903501, 7784799, 8078565, 11087441, 11505835, 12974665, 25312837, 28544263, 33262323, 34517505, 38923995, 55437205, 75938511, 85632789, 121961851, 126564185, 142721315, 166311615, 365885553, 379692555, 428163945, 609809255, 1341580361, 1829427765, 4024741083, 6707901805, 20123705415]

約数ペア:

[(1, 20123705415), (3, 6707901805), (5, 4024741083), (11, 1829427765), (15, 1341580361), (33, 609809255), (47, 428163945), (53, 379692555), (55, 365885553), (121, 166311615), (141, 142721315), (159, 126564185), (165, 121961851), (235, 85632789), (265, 75938511), (363, 55437205), (517, 38923995), (583, 34517505), (605, 33262323), (705, 28544263), (795, 25312837), (1551, 12974665), (1749, 11505835), (1815, 11087441), (2491, 8078565), (2585, 7784799), (2915, 6903501), (4451, 4521165), (5687, 3538545), (6413, 3137955), (7473, 2692855), (7755, 2594933), (8745, 2301167), (12455, 1615713), (13353, 1507055), (17061, 1179515), (19239, 1045985), (22255, 904233), (27401, 734415), (28435, 707709), (32065, 627591), (37365, 538571), (48961, 411015), (66765, 301411), (82203, 244805), (85305, 235903), (96195, 209197), (137005, 146883)]