20842968

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 55353600

約数和(自身を除く): 34510632

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 61, 69, 92, 122, 138, 183, 184, 244, 276, 366, 488, 552, 619, 732, 1238, 1403, 1464, 1857, 2476, 2806, 3714, 4209, 4952, 5612, 7428, 8418, 11224, 14237, 14856, 16836, 28474, 33672, 37759, 42711, 56948, 75518, 85422, 113277, 113896, 151036, 170844, 226554, 302072, 341688, 453108, 868457, 906216, 1736914, 2605371, 3473828, 5210742, 6947656, 10421484, 20842968]

約数ペア:

[(1, 20842968), (2, 10421484), (3, 6947656), (4, 5210742), (6, 3473828), (8, 2605371), (12, 1736914), (23, 906216), (24, 868457), (46, 453108), (61, 341688), (69, 302072), (92, 226554), (122, 170844), (138, 151036), (183, 113896), (184, 113277), (244, 85422), (276, 75518), (366, 56948), (488, 42711), (552, 37759), (619, 33672), (732, 28474), (1238, 16836), (1403, 14856), (1464, 14237), (1857, 11224), (2476, 8418), (2806, 7428), (3714, 5612), (4209, 4952)]