20858712

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17737}}^1$

素因数の和:17760

約数の個数: 48

約数和(自身を含む): 60663960

約数和(自身を除く): 39805248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17737, 35474, 53211, 70948, 106422, 124159, 141896, 212844, 248318, 372477, 425688, 496636, 744954, 869113, 993272, 1489908, 1738226, 2607339, 2979816, 3476452, 5214678, 6952904, 10429356, 20858712]

約数ペア:

[(1, 20858712), (2, 10429356), (3, 6952904), (4, 5214678), (6, 3476452), (7, 2979816), (8, 2607339), (12, 1738226), (14, 1489908), (21, 993272), (24, 869113), (28, 744954), (42, 496636), (49, 425688), (56, 372477), (84, 248318), (98, 212844), (147, 141896), (168, 124159), (196, 106422), (294, 70948), (392, 53211), (588, 35474), (1176, 17737)]