20983053

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 34820352

約数和(自身を除く): 13837299

約数列:

[1, 3, 7, 13, 21, 39, 91, 101, 273, 303, 707, 761, 1313, 2121, 2283, 3939, 5327, 9191, 9893, 15981, 27573, 29679, 69251, 76861, 207753, 230583, 538027, 999193, 1614081, 2997579, 6994351, 20983053]

約数ペア:

[(1, 20983053), (3, 6994351), (7, 2997579), (13, 1614081), (21, 999193), (39, 538027), (91, 230583), (101, 207753), (273, 76861), (303, 69251), (707, 29679), (761, 27573), (1313, 15981), (2121, 9893), (2283, 9191), (3939, 5327)]