20778826196

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{254281}}^1$

素因数の和:254975

約数の個数: 24

約数和(自身を含む): 37593050880

約数和(自身を除く): 16814224684

約数列:

[1, 2, 4, 31, 62, 124, 659, 1318, 2636, 20429, 40858, 81716, 254281, 508562, 1017124, 7882711, 15765422, 31530844, 167571179, 335142358, 670284716, 5194706549, 10389413098, 20778826196]

約数ペア:

[(1, 20778826196), (2, 10389413098), (4, 5194706549), (31, 670284716), (62, 335142358), (124, 167571179), (659, 31530844), (1318, 15765422), (2636, 7882711), (20429, 1017124), (40858, 508562), (81716, 254281)]