20297892

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 48984320

約数和(自身を除く): 28686428

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 278, 283, 417, 516, 556, 566, 834, 849, 1132, 1668, 1698, 3396, 5977, 11954, 12169, 17931, 23908, 24338, 35862, 36507, 39337, 48676, 71724, 73014, 78674, 118011, 146028, 157348, 236022, 472044, 1691491, 3382982, 5074473, 6765964, 10148946, 20297892]

約数ペア:

[(1, 20297892), (2, 10148946), (3, 6765964), (4, 5074473), (6, 3382982), (12, 1691491), (43, 472044), (86, 236022), (129, 157348), (139, 146028), (172, 118011), (258, 78674), (278, 73014), (283, 71724), (417, 48676), (516, 39337), (556, 36507), (566, 35862), (834, 24338), (849, 23908), (1132, 17931), (1668, 12169), (1698, 11954), (3396, 5977)]