20356714

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 37140480

約数和(自身を除く): 16783766

約数列:

[1, 2, 7, 14, 19, 38, 103, 133, 206, 266, 721, 743, 1442, 1486, 1957, 3914, 5201, 10402, 13699, 14117, 27398, 28234, 76529, 98819, 153058, 197638, 535703, 1071406, 1454051, 2908102, 10178357, 20356714]

約数ペア:

[(1, 20356714), (2, 10178357), (7, 2908102), (14, 1454051), (19, 1071406), (38, 535703), (103, 197638), (133, 153058), (206, 98819), (266, 76529), (721, 28234), (743, 27398), (1442, 14117), (1486, 13699), (1957, 10402), (3914, 5201)]