20164028139

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{381223}}^1$

素因数の和:381888

約数の個数: 20

約数和(自身を含む): 30167780016

約数和(自身を除く): 10003751877

約数列:

[1, 3, 9, 27, 81, 653, 1959, 5877, 17631, 52893, 381223, 1143669, 3431007, 10293021, 30879063, 248938619, 746815857, 2240447571, 6721342713, 20164028139]

約数ペア:

[(1, 20164028139), (3, 6721342713), (9, 2240447571), (27, 746815857), (81, 248938619), (653, 30879063), (1959, 10293021), (5877, 3431007), (17631, 1143669), (52893, 381223)]