20184290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 43925760

約数和(自身を除く): 23741470

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 61, 70, 122, 145, 163, 203, 290, 305, 326, 406, 427, 610, 815, 854, 1015, 1141, 1630, 1769, 2030, 2135, 2282, 3538, 4270, 4727, 5705, 8845, 9454, 9943, 11410, 12383, 17690, 19886, 23635, 24766, 33089, 47270, 49715, 61915, 66178, 69601, 99430, 123830, 139202, 165445, 288347, 330890, 348005, 576694, 696010, 1441735, 2018429, 2883470, 4036858, 10092145, 20184290]

約数ペア:

[(1, 20184290), (2, 10092145), (5, 4036858), (7, 2883470), (10, 2018429), (14, 1441735), (29, 696010), (35, 576694), (58, 348005), (61, 330890), (70, 288347), (122, 165445), (145, 139202), (163, 123830), (203, 99430), (290, 69601), (305, 66178), (326, 61915), (406, 49715), (427, 47270), (610, 33089), (815, 24766), (854, 23635), (1015, 19886), (1141, 17690), (1630, 12383), (1769, 11410), (2030, 9943), (2135, 9454), (2282, 8845), (3538, 5705), (4270, 4727)]