20820304

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14621}}^1$

素因数の和:14718

約数の個数: 20

約数和(自身を含む): 40795380

約数和(自身を除く): 19975076

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14621, 29242, 58484, 116968, 233936, 1301269, 2602538, 5205076, 10410152, 20820304]

約数ペア:

[(1, 20820304), (2, 10410152), (4, 5205076), (8, 2602538), (16, 1301269), (89, 233936), (178, 116968), (356, 58484), (712, 29242), (1424, 14621)]