20341453

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 4479539

約数列:

[1, 11, 23, 37, 41, 53, 253, 407, 451, 583, 851, 943, 1219, 1517, 1961, 2173, 9361, 10373, 13409, 16687, 21571, 23903, 34891, 45103, 49979, 80401, 383801, 496133, 549769, 884411, 1849223, 20341453]

約数ペア:

[(1, 20341453), (11, 1849223), (23, 884411), (37, 549769), (41, 496133), (53, 383801), (253, 80401), (407, 49979), (451, 45103), (583, 34891), (851, 23903), (943, 21571), (1219, 16687), (1517, 13409), (1961, 10373), (2173, 9361)]