20298194

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 36961920

約数和(自身を除く): 16663726

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 557, 959, 1114, 1918, 2603, 3899, 5206, 7798, 10583, 18221, 21166, 36442, 74081, 76309, 148162, 152618, 534163, 1068326, 1449871, 2899742, 10149097, 20298194]

約数ペア:

[(1, 20298194), (2, 10149097), (7, 2899742), (14, 1449871), (19, 1068326), (38, 534163), (133, 152618), (137, 148162), (266, 76309), (274, 74081), (557, 36442), (959, 21166), (1114, 18221), (1918, 10583), (2603, 7798), (3899, 5206)]