20457773181

素因数分解:

$3^7\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1031}}^1$

素因数の和:1306

約数の個数: 64

約数和(自身を含む): 31574906880

約数和(自身を除く): 11117133699

約数列:

[1, 3, 9, 27, 43, 81, 129, 211, 243, 387, 633, 729, 1031, 1161, 1899, 2187, 3093, 3483, 5697, 9073, 9279, 10449, 17091, 27219, 27837, 31347, 44333, 51273, 81657, 83511, 94041, 132999, 153819, 217541, 244971, 250533, 398997, 461457, 652623, 734913, 751599, 1196991, 1957869, 2204739, 2254797, 3590973, 5873607, 6614217, 9354263, 10772919, 17620821, 19842651, 28062789, 32318757, 52862463, 84188367, 96956271, 158587389, 252565101, 475762167, 757695303, 2273085909, 6819257727, 20457773181]

約数ペア:

[(1, 20457773181), (3, 6819257727), (9, 2273085909), (27, 757695303), (43, 475762167), (81, 252565101), (129, 158587389), (211, 96956271), (243, 84188367), (387, 52862463), (633, 32318757), (729, 28062789), (1031, 19842651), (1161, 17620821), (1899, 10772919), (2187, 9354263), (3093, 6614217), (3483, 5873607), (5697, 3590973), (9073, 2254797), (9279, 2204739), (10449, 1957869), (17091, 1196991), (27219, 751599), (27837, 734913), (31347, 652623), (44333, 461457), (51273, 398997), (81657, 250533), (83511, 244971), (94041, 217541), (132999, 153819)]