20467629

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 37028992

約数和(自身を除く): 16561363

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 67, 91, 117, 201, 273, 373, 469, 603, 819, 871, 1119, 1407, 2611, 2613, 3357, 4221, 4849, 6097, 7833, 7839, 14547, 18291, 23499, 24991, 33943, 43641, 54873, 74973, 101829, 174937, 224919, 305487, 324883, 524811, 974649, 1574433, 2274181, 2923947, 6822543, 20467629]

約数ペア:

[(1, 20467629), (3, 6822543), (7, 2923947), (9, 2274181), (13, 1574433), (21, 974649), (39, 524811), (63, 324883), (67, 305487), (91, 224919), (117, 174937), (201, 101829), (273, 74973), (373, 54873), (469, 43641), (603, 33943), (819, 24991), (871, 23499), (1119, 18291), (1407, 14547), (2611, 7839), (2613, 7833), (3357, 6097), (4221, 4849)]