20454910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17189}}^1$

素因数の和:17220

約数の個数: 32

約数和(自身を含む): 44556480

約数和(自身を除く): 24101570

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17189, 34378, 85945, 120323, 171890, 240646, 292213, 584426, 601615, 1203230, 1461065, 2045491, 2922130, 4090982, 10227455, 20454910]

約数ペア:

[(1, 20454910), (2, 10227455), (5, 4090982), (7, 2922130), (10, 2045491), (14, 1461065), (17, 1203230), (34, 601615), (35, 584426), (70, 292213), (85, 240646), (119, 171890), (170, 120323), (238, 85945), (595, 34378), (1190, 17189)]