20273296

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 40810880

約数和(自身を除く): 20537584

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 158, 172, 316, 344, 373, 632, 688, 746, 1264, 1492, 2984, 3397, 5968, 6794, 13588, 16039, 27176, 29467, 32078, 54352, 58934, 64156, 117868, 128312, 235736, 256624, 471472, 1267081, 2534162, 5068324, 10136648, 20273296]

約数ペア:

[(1, 20273296), (2, 10136648), (4, 5068324), (8, 2534162), (16, 1267081), (43, 471472), (79, 256624), (86, 235736), (158, 128312), (172, 117868), (316, 64156), (344, 58934), (373, 54352), (632, 32078), (688, 29467), (746, 27176), (1264, 16039), (1492, 13588), (2984, 6794), (3397, 5968)]