20007608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 22328392

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 59, 76, 92, 97, 118, 152, 184, 194, 236, 388, 437, 472, 776, 874, 1121, 1357, 1748, 1843, 2231, 2242, 2714, 3496, 3686, 4462, 4484, 5428, 5723, 7372, 8924, 8968, 10856, 11446, 14744, 17848, 22892, 25783, 42389, 45784, 51566, 84778, 103132, 108737, 131629, 169556, 206264, 217474, 263258, 339112, 434948, 526516, 869896, 1053032, 2500951, 5001902, 10003804, 20007608]

約数ペア:

[(1, 20007608), (2, 10003804), (4, 5001902), (8, 2500951), (19, 1053032), (23, 869896), (38, 526516), (46, 434948), (59, 339112), (76, 263258), (92, 217474), (97, 206264), (118, 169556), (152, 131629), (184, 108737), (194, 103132), (236, 84778), (388, 51566), (437, 45784), (472, 42389), (776, 25783), (874, 22892), (1121, 17848), (1357, 14744), (1748, 11446), (1843, 10856), (2231, 8968), (2242, 8924), (2714, 7372), (3496, 5723), (3686, 5428), (4462, 4484)]