20178880030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{538247}}^1$

素因数の和:538440

約数の個数: 32

約数和(自身を含む): 38133794304

約数和(自身を除く): 17954914274

約数列:

[1, 2, 5, 10, 23, 46, 115, 163, 230, 326, 815, 1630, 3749, 7498, 18745, 37490, 538247, 1076494, 2691235, 5382470, 12379681, 24759362, 61898405, 87734261, 123796810, 175468522, 438671305, 877342610, 2017888003, 4035776006, 10089440015, 20178880030]

約数ペア:

[(1, 20178880030), (2, 10089440015), (5, 4035776006), (10, 2017888003), (23, 877342610), (46, 438671305), (115, 175468522), (163, 123796810), (230, 87734261), (326, 61898405), (815, 24759362), (1630, 12379681), (3749, 5382470), (7498, 2691235), (18745, 1076494), (37490, 538247)]