20015568

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4793}}^1$

素因数の和:4836

約数の個数: 60

約数和(自身を含む): 57959460

約数和(自身を除く): 37943892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4793, 9586, 14379, 19172, 28758, 38344, 43137, 57516, 76688, 86274, 115032, 138997, 172548, 230064, 277994, 345096, 416991, 555988, 690192, 833982, 1111976, 1250973, 1667964, 2223952, 2501946, 3335928, 5003892, 6671856, 10007784, 20015568]

約数ペア:

[(1, 20015568), (2, 10007784), (3, 6671856), (4, 5003892), (6, 3335928), (8, 2501946), (9, 2223952), (12, 1667964), (16, 1250973), (18, 1111976), (24, 833982), (29, 690192), (36, 555988), (48, 416991), (58, 345096), (72, 277994), (87, 230064), (116, 172548), (144, 138997), (174, 115032), (232, 86274), (261, 76688), (348, 57516), (464, 43137), (522, 38344), (696, 28758), (1044, 19172), (1392, 14379), (2088, 9586), (4176, 4793)]