20479928

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1597}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 44104800

約数和(自身を除く): 23624872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1597, 1603, 1832, 3194, 3206, 6388, 6412, 11179, 12776, 12824, 22358, 44716, 89432, 365713, 731426, 1462852, 2559991, 2925704, 5119982, 10239964, 20479928]

約数ペア:

[(1, 20479928), (2, 10239964), (4, 5119982), (7, 2925704), (8, 2559991), (14, 1462852), (28, 731426), (56, 365713), (229, 89432), (458, 44716), (916, 22358), (1597, 12824), (1603, 12776), (1832, 11179), (3194, 6412), (3206, 6388)]