20161989838

素因数分解:

$2^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1\times {\mathrm{64513}}^1$

素因数の和:65331

約数の個数: 16

約数和(自身を含む): 30401577360

約数和(自身を除く): 10239587522

約数列:

[1, 2, 307, 509, 614, 1018, 64513, 129026, 156263, 312526, 19805491, 32837117, 39610982, 65674234, 10080994919, 20161989838]

約数ペア:

[(1, 20161989838), (2, 10080994919), (307, 65674234), (509, 39610982), (614, 32837117), (1018, 19805491), (64513, 312526), (129026, 156263)]