20154652819

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1\times {\mathrm{5867}}^1$

素因数の和:7039

約数の個数: 32

約数和(自身を含む): 25327226880

約数和(自身を除く): 5172574061

約数列:

[1, 7, 19, 23, 133, 161, 437, 1123, 3059, 5867, 7861, 21337, 25829, 41069, 111473, 134941, 149359, 180803, 490751, 780311, 944587, 2563879, 3435257, 6588641, 17947153, 46120487, 125184179, 151538743, 876289253, 1060771201, 2879236117, 20154652819]

約数ペア:

[(1, 20154652819), (7, 2879236117), (19, 1060771201), (23, 876289253), (133, 151538743), (161, 125184179), (437, 46120487), (1123, 17947153), (3059, 6588641), (5867, 3435257), (7861, 2563879), (21337, 944587), (25829, 780311), (41069, 490751), (111473, 180803), (134941, 149359)]