20657210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17359}}^1$

素因数の和:17390

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24339910

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17359, 34718, 86795, 121513, 173590, 243026, 295103, 590206, 607565, 1215130, 1475515, 2065721, 2951030, 4131442, 10328605, 20657210]

約数ペア:

[(1, 20657210), (2, 10328605), (5, 4131442), (7, 2951030), (10, 2065721), (14, 1475515), (17, 1215130), (34, 607565), (35, 590206), (70, 295103), (85, 243026), (119, 173590), (170, 121513), (238, 86795), (595, 34718), (1190, 17359)]