20828332

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 27555668

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 47, 49, 68, 76, 94, 98, 119, 133, 188, 196, 238, 266, 323, 329, 343, 476, 532, 646, 658, 686, 799, 833, 893, 931, 1292, 1316, 1372, 1598, 1666, 1786, 1862, 2261, 2303, 3196, 3332, 3572, 3724, 4522, 4606, 5593, 5831, 6251, 6517, 9044, 9212, 11186, 11662, 12502, 13034, 15181, 15827, 16121, 22372, 23324, 25004, 26068, 30362, 31654, 32242, 39151, 43757, 60724, 63308, 64484, 78302, 87514, 106267, 110789, 156604, 175028, 212534, 221578, 274057, 306299, 425068, 443156, 548114, 612598, 743869, 1096228, 1225196, 1487738, 2975476, 5207083, 10414166, 20828332]

約数ペア:

[(1, 20828332), (2, 10414166), (4, 5207083), (7, 2975476), (14, 1487738), (17, 1225196), (19, 1096228), (28, 743869), (34, 612598), (38, 548114), (47, 443156), (49, 425068), (68, 306299), (76, 274057), (94, 221578), (98, 212534), (119, 175028), (133, 156604), (188, 110789), (196, 106267), (238, 87514), (266, 78302), (323, 64484), (329, 63308), (343, 60724), (476, 43757), (532, 39151), (646, 32242), (658, 31654), (686, 30362), (799, 26068), (833, 25004), (893, 23324), (931, 22372), (1292, 16121), (1316, 15827), (1372, 15181), (1598, 13034), (1666, 12502), (1786, 11662), (1862, 11186), (2261, 9212), (2303, 9044), (3196, 6517), (3332, 6251), (3572, 5831), (3724, 5593), (4522, 4606)]