20443192

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 49124880

約数和(自身を除く): 28681688

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 431, 484, 539, 616, 847, 862, 968, 1078, 1694, 1724, 2156, 3017, 3388, 3448, 4312, 4741, 5929, 6034, 6776, 9482, 11858, 12068, 18964, 21119, 23716, 24136, 33187, 37928, 42238, 47432, 52151, 66374, 84476, 104302, 132748, 168952, 208604, 232309, 265496, 365057, 417208, 464618, 730114, 929236, 1460228, 1858472, 2555399, 2920456, 5110798, 10221596, 20443192]

約数ペア:

[(1, 20443192), (2, 10221596), (4, 5110798), (7, 2920456), (8, 2555399), (11, 1858472), (14, 1460228), (22, 929236), (28, 730114), (44, 464618), (49, 417208), (56, 365057), (77, 265496), (88, 232309), (98, 208604), (121, 168952), (154, 132748), (196, 104302), (242, 84476), (308, 66374), (392, 52151), (431, 47432), (484, 42238), (539, 37928), (616, 33187), (847, 24136), (862, 23716), (968, 21119), (1078, 18964), (1694, 12068), (1724, 11858), (2156, 9482), (3017, 6776), (3388, 6034), (3448, 5929), (4312, 4741)]