20427064

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 47520000

約数和(自身を除く): 27092936

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 86, 119, 136, 172, 238, 301, 344, 476, 499, 602, 731, 952, 998, 1204, 1462, 1996, 2408, 2924, 3493, 3992, 5117, 5848, 6986, 8483, 10234, 13972, 16966, 20468, 21457, 27944, 33932, 40936, 42914, 59381, 67864, 85828, 118762, 150199, 171656, 237524, 300398, 364769, 475048, 600796, 729538, 1201592, 1459076, 2553383, 2918152, 5106766, 10213532, 20427064]

約数ペア:

[(1, 20427064), (2, 10213532), (4, 5106766), (7, 2918152), (8, 2553383), (14, 1459076), (17, 1201592), (28, 729538), (34, 600796), (43, 475048), (56, 364769), (68, 300398), (86, 237524), (119, 171656), (136, 150199), (172, 118762), (238, 85828), (301, 67864), (344, 59381), (476, 42914), (499, 40936), (602, 33932), (731, 27944), (952, 21457), (998, 20468), (1204, 16966), (1462, 13972), (1996, 10234), (2408, 8483), (2924, 6986), (3493, 5848), (3992, 5117)]