20849616

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 120

約数和(自身を含む): 63954240

約数和(自身を除く): 43104624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 102, 108, 136, 144, 153, 167, 204, 216, 272, 289, 306, 334, 408, 432, 459, 501, 578, 612, 668, 816, 867, 918, 1002, 1156, 1224, 1336, 1503, 1734, 1836, 2004, 2312, 2448, 2601, 2672, 2839, 3006, 3468, 3672, 4008, 4509, 4624, 5202, 5678, 6012, 6936, 7344, 7803, 8016, 8517, 9018, 10404, 11356, 12024, 13872, 15606, 17034, 18036, 20808, 22712, 24048, 25551, 31212, 34068, 36072, 41616, 45424, 48263, 51102, 62424, 68136, 72144, 76653, 96526, 102204, 124848, 136272, 144789, 153306, 193052, 204408, 289578, 306612, 386104, 408816, 434367, 579156, 613224, 772208, 868734, 1158312, 1226448, 1303101, 1737468, 2316624, 2606202, 3474936, 5212404, 6949872, 10424808, 20849616]

約数ペア:

[(1, 20849616), (2, 10424808), (3, 6949872), (4, 5212404), (6, 3474936), (8, 2606202), (9, 2316624), (12, 1737468), (16, 1303101), (17, 1226448), (18, 1158312), (24, 868734), (27, 772208), (34, 613224), (36, 579156), (48, 434367), (51, 408816), (54, 386104), (68, 306612), (72, 289578), (102, 204408), (108, 193052), (136, 153306), (144, 144789), (153, 136272), (167, 124848), (204, 102204), (216, 96526), (272, 76653), (289, 72144), (306, 68136), (334, 62424), (408, 51102), (432, 48263), (459, 45424), (501, 41616), (578, 36072), (612, 34068), (668, 31212), (816, 25551), (867, 24048), (918, 22712), (1002, 20808), (1156, 18036), (1224, 17034), (1336, 15606), (1503, 13872), (1734, 12024), (1836, 11356), (2004, 10404), (2312, 9018), (2448, 8517), (2601, 8016), (2672, 7803), (2839, 7344), (3006, 6936), (3468, 6012), (3672, 5678), (4008, 5202), (4509, 4624)]