20944688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68897}}^1$

素因数の和:68924

約数の個数: 20

約数和(自身を含む): 42716760

約数和(自身を除く): 21772072

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68897, 137794, 275588, 551176, 1102352, 1309043, 2618086, 5236172, 10472344, 20944688]

約数ペア:

[(1, 20944688), (2, 10472344), (4, 5236172), (8, 2618086), (16, 1309043), (19, 1102352), (38, 551176), (76, 275588), (152, 137794), (304, 68897)]