20833371

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 34306272

約数和(自身を除く): 13472901

約数列:

[1, 3, 9, 13, 39, 41, 43, 101, 117, 123, 129, 303, 369, 387, 533, 559, 909, 1313, 1599, 1677, 1763, 3939, 4141, 4343, 4797, 5031, 5289, 11817, 12423, 13029, 15867, 22919, 37269, 39087, 53833, 56459, 68757, 161499, 169377, 178063, 206271, 484497, 508131, 534189, 1602567, 2314819, 6944457, 20833371]

約数ペア:

[(1, 20833371), (3, 6944457), (9, 2314819), (13, 1602567), (39, 534189), (41, 508131), (43, 484497), (101, 206271), (117, 178063), (123, 169377), (129, 161499), (303, 68757), (369, 56459), (387, 53833), (533, 39087), (559, 37269), (909, 22919), (1313, 15867), (1599, 13029), (1677, 12423), (1763, 11817), (3939, 5289), (4141, 5031), (4343, 4797)]