20434084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 41029632

約数和(自身を除く): 20595548

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 71, 124, 142, 211, 284, 341, 422, 682, 781, 844, 1364, 1562, 2201, 2321, 3124, 4402, 4642, 6541, 8804, 9284, 13082, 14981, 24211, 26164, 29962, 48422, 59924, 71951, 96844, 143902, 164791, 287804, 329582, 464411, 659164, 928822, 1857644, 5108521, 10217042, 20434084]

約数ペア:

[(1, 20434084), (2, 10217042), (4, 5108521), (11, 1857644), (22, 928822), (31, 659164), (44, 464411), (62, 329582), (71, 287804), (124, 164791), (142, 143902), (211, 96844), (284, 71951), (341, 59924), (422, 48422), (682, 29962), (781, 26164), (844, 24211), (1364, 14981), (1562, 13082), (2201, 9284), (2321, 8804), (3124, 6541), (4402, 4642)]