20769452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 21354868

約数列:

[1, 2, 4, 11, 22, 29, 41, 44, 58, 82, 116, 164, 319, 397, 451, 638, 794, 902, 1189, 1276, 1588, 1804, 2378, 4367, 4756, 8734, 11513, 13079, 16277, 17468, 23026, 26158, 32554, 46052, 52316, 65108, 126643, 179047, 253286, 358094, 472033, 506572, 716188, 944066, 1888132, 5192363, 10384726, 20769452]

約数ペア:

[(1, 20769452), (2, 10384726), (4, 5192363), (11, 1888132), (22, 944066), (29, 716188), (41, 506572), (44, 472033), (58, 358094), (82, 253286), (116, 179047), (164, 126643), (319, 65108), (397, 52316), (451, 46052), (638, 32554), (794, 26158), (902, 23026), (1189, 17468), (1276, 16277), (1588, 13079), (1804, 11513), (2378, 8734), (4367, 4756)]