20256996

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 30304284

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 109, 204, 218, 327, 436, 654, 911, 1308, 1822, 1853, 2733, 3644, 3706, 5466, 5559, 7412, 10932, 11118, 15487, 22236, 30974, 46461, 61948, 92922, 99299, 185844, 198598, 297897, 397196, 595794, 1191588, 1688083, 3376166, 5064249, 6752332, 10128498, 20256996]

約数ペア:

[(1, 20256996), (2, 10128498), (3, 6752332), (4, 5064249), (6, 3376166), (12, 1688083), (17, 1191588), (34, 595794), (51, 397196), (68, 297897), (102, 198598), (109, 185844), (204, 99299), (218, 92922), (327, 61948), (436, 46461), (654, 30974), (911, 22236), (1308, 15487), (1822, 11118), (1853, 10932), (2733, 7412), (3644, 5559), (3706, 5466)]