20217638

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 35610624

約数和(自身を除く): 15392986

約数列:

[1, 2, 7, 14, 83, 127, 137, 166, 254, 274, 581, 889, 959, 1162, 1778, 1918, 10541, 11371, 17399, 21082, 22742, 34798, 73787, 79597, 121793, 147574, 159194, 243586, 1444117, 2888234, 10108819, 20217638]

約数ペア:

[(1, 20217638), (2, 10108819), (7, 2888234), (14, 1444117), (83, 243586), (127, 159194), (137, 147574), (166, 121793), (254, 79597), (274, 73787), (581, 34798), (889, 22742), (959, 21082), (1162, 17399), (1778, 11371), (1918, 10541)]