20688570718

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1\times {\mathrm{134851}}^1$

素因数の和:135903

約数の個数: 16

約数和(自身を含む): 31458274560

約数和(自身を除く): 10769703842

約数列:

[1, 2, 79, 158, 971, 1942, 76709, 134851, 153418, 269702, 10653229, 21306458, 130940321, 261880642, 10344285359, 20688570718]

約数ペア:

[(1, 20688570718), (2, 10344285359), (79, 261880642), (158, 130940321), (971, 21306458), (1942, 10653229), (76709, 269702), (134851, 153418)]