20437246

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 12832514

約数列:

[1, 2, 31, 37, 59, 62, 74, 118, 151, 302, 1147, 1829, 2183, 2294, 3658, 4366, 4681, 5587, 8909, 9362, 11174, 17818, 67673, 135346, 173197, 276179, 329633, 346394, 552358, 659266, 10218623, 20437246]

約数ペア:

[(1, 20437246), (2, 10218623), (31, 659266), (37, 552358), (59, 346394), (62, 329633), (74, 276179), (118, 173197), (151, 135346), (302, 67673), (1147, 17818), (1829, 11174), (2183, 9362), (2294, 8909), (3658, 5587), (4366, 4681)]