20685832

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 43747200

約数和(自身を除く): 23061368

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 61, 76, 92, 97, 122, 152, 184, 194, 244, 388, 437, 488, 776, 874, 1159, 1403, 1748, 1843, 2231, 2318, 2806, 3496, 3686, 4462, 4636, 5612, 5917, 7372, 8924, 9272, 11224, 11834, 14744, 17848, 23668, 26657, 42389, 47336, 53314, 84778, 106628, 112423, 136091, 169556, 213256, 224846, 272182, 339112, 449692, 544364, 899384, 1088728, 2585729, 5171458, 10342916, 20685832]

約数ペア:

[(1, 20685832), (2, 10342916), (4, 5171458), (8, 2585729), (19, 1088728), (23, 899384), (38, 544364), (46, 449692), (61, 339112), (76, 272182), (92, 224846), (97, 213256), (122, 169556), (152, 136091), (184, 112423), (194, 106628), (244, 84778), (388, 53314), (437, 47336), (488, 42389), (776, 26657), (874, 23668), (1159, 17848), (1403, 14744), (1748, 11834), (1843, 11224), (2231, 9272), (2318, 8924), (2806, 7372), (3496, 5917), (3686, 5612), (4462, 4636)]