20200102

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 33802272

約数和(自身を除く): 13602170

約数列:

[1, 2, 13, 26, 53, 106, 107, 137, 214, 274, 689, 1378, 1391, 1781, 2782, 3562, 5671, 7261, 11342, 14522, 14659, 29318, 73723, 94393, 147446, 188786, 190567, 381134, 776927, 1553854, 10100051, 20200102]

約数ペア:

[(1, 20200102), (2, 10100051), (13, 1553854), (26, 776927), (53, 381134), (106, 190567), (107, 188786), (137, 147446), (214, 94393), (274, 73723), (689, 29318), (1378, 14659), (1391, 14522), (1781, 11342), (2782, 7261), (3562, 5671)]