20412648

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 61292550

約数和(自身を除く): 40879902

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 109, 136, 153, 162, 204, 216, 218, 289, 306, 324, 327, 408, 436, 459, 578, 612, 648, 654, 867, 872, 918, 981, 1156, 1224, 1308, 1377, 1734, 1836, 1853, 1962, 2312, 2601, 2616, 2754, 2943, 3468, 3672, 3706, 3924, 5202, 5508, 5559, 5886, 6936, 7412, 7803, 7848, 8829, 10404, 11016, 11118, 11772, 14824, 15606, 16677, 17658, 20808, 22236, 23409, 23544, 31212, 31501, 33354, 35316, 44472, 46818, 50031, 62424, 63002, 66708, 70632, 93636, 94503, 100062, 126004, 133416, 150093, 187272, 189006, 200124, 252008, 283509, 300186, 378012, 400248, 567018, 600372, 756024, 850527, 1134036, 1200744, 1701054, 2268072, 2551581, 3402108, 5103162, 6804216, 10206324, 20412648]

約数ペア:

[(1, 20412648), (2, 10206324), (3, 6804216), (4, 5103162), (6, 3402108), (8, 2551581), (9, 2268072), (12, 1701054), (17, 1200744), (18, 1134036), (24, 850527), (27, 756024), (34, 600372), (36, 567018), (51, 400248), (54, 378012), (68, 300186), (72, 283509), (81, 252008), (102, 200124), (108, 189006), (109, 187272), (136, 150093), (153, 133416), (162, 126004), (204, 100062), (216, 94503), (218, 93636), (289, 70632), (306, 66708), (324, 63002), (327, 62424), (408, 50031), (436, 46818), (459, 44472), (578, 35316), (612, 33354), (648, 31501), (654, 31212), (867, 23544), (872, 23409), (918, 22236), (981, 20808), (1156, 17658), (1224, 16677), (1308, 15606), (1377, 14824), (1734, 11772), (1836, 11118), (1853, 11016), (1962, 10404), (2312, 8829), (2601, 7848), (2616, 7803), (2754, 7412), (2943, 6936), (3468, 5886), (3672, 5559), (3706, 5508), (3924, 5202)]