20946068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3329}}^1$

素因数の和:3368

約数の個数: 36

約数和(自身を含む): 43403220

約数和(自身を除く): 22457152

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3329, 6292, 6658, 13316, 36619, 43277, 73238, 86554, 146476, 173108, 402809, 476047, 805618, 952094, 1611236, 1904188, 5236517, 10473034, 20946068]

約数ペア:

[(1, 20946068), (2, 10473034), (4, 5236517), (11, 1904188), (13, 1611236), (22, 952094), (26, 805618), (44, 476047), (52, 402809), (121, 173108), (143, 146476), (242, 86554), (286, 73238), (484, 43277), (572, 36619), (1573, 13316), (3146, 6658), (3329, 6292)]