20836424

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 27633976

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 86, 119, 136, 172, 238, 301, 344, 476, 509, 602, 731, 952, 1018, 1204, 1462, 2036, 2408, 2924, 3563, 4072, 5117, 5848, 7126, 8653, 10234, 14252, 17306, 20468, 21887, 28504, 34612, 40936, 43774, 60571, 69224, 87548, 121142, 153209, 175096, 242284, 306418, 372079, 484568, 612836, 744158, 1225672, 1488316, 2604553, 2976632, 5209106, 10418212, 20836424]

約数ペア:

[(1, 20836424), (2, 10418212), (4, 5209106), (7, 2976632), (8, 2604553), (14, 1488316), (17, 1225672), (28, 744158), (34, 612836), (43, 484568), (56, 372079), (68, 306418), (86, 242284), (119, 175096), (136, 153209), (172, 121142), (238, 87548), (301, 69224), (344, 60571), (476, 43774), (509, 40936), (602, 34612), (731, 28504), (952, 21887), (1018, 20468), (1204, 17306), (1462, 14252), (2036, 10234), (2408, 8653), (2924, 7126), (3563, 5848), (4072, 5117)]