20720392

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33637}}^1$

素因数の和:33661

約数の個数: 32

約数和(自身を含む): 48438720

約数和(自身を除く): 27718328

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33637, 67274, 134548, 235459, 269096, 370007, 470918, 740014, 941836, 1480028, 1883672, 2590049, 2960056, 5180098, 10360196, 20720392]

約数ペア:

[(1, 20720392), (2, 10360196), (4, 5180098), (7, 2960056), (8, 2590049), (11, 1883672), (14, 1480028), (22, 941836), (28, 740014), (44, 470918), (56, 370007), (77, 269096), (88, 235459), (154, 134548), (308, 67274), (616, 33637)]