20710053

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8429}}^1$

素因数の和:8458

約数の個数: 32

約数和(自身を含む): 37766400

約数和(自身を除く): 17056347

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8429, 25287, 59003, 75861, 109577, 177009, 227583, 328731, 531027, 767039, 986193, 1593081, 2301117, 2958579, 6903351, 20710053]

約数ペア:

[(1, 20710053), (3, 6903351), (7, 2958579), (9, 2301117), (13, 1593081), (21, 986193), (27, 767039), (39, 531027), (63, 328731), (91, 227583), (117, 177009), (189, 109577), (273, 75861), (351, 59003), (819, 25287), (2457, 8429)]