20569458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 51270912

約数和(自身を除く): 30701454

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 101, 182, 202, 273, 303, 373, 546, 606, 707, 746, 1119, 1313, 1414, 2121, 2238, 2611, 2626, 3939, 4242, 4849, 5222, 7833, 7878, 9191, 9698, 14547, 15666, 18382, 27573, 29094, 33943, 37673, 55146, 67886, 75346, 101829, 113019, 203658, 226038, 263711, 489749, 527422, 791133, 979498, 1469247, 1582266, 2938494, 3428243, 6856486, 10284729, 20569458]

約数ペア:

[(1, 20569458), (2, 10284729), (3, 6856486), (6, 3428243), (7, 2938494), (13, 1582266), (14, 1469247), (21, 979498), (26, 791133), (39, 527422), (42, 489749), (78, 263711), (91, 226038), (101, 203658), (182, 113019), (202, 101829), (273, 75346), (303, 67886), (373, 55146), (546, 37673), (606, 33943), (707, 29094), (746, 27573), (1119, 18382), (1313, 15666), (1414, 14547), (2121, 9698), (2238, 9191), (2611, 7878), (2626, 7833), (3939, 5222), (4242, 4849)]