20402754

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 43410816

約数和(自身を除く): 23008062

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 317, 631, 634, 951, 1262, 1893, 1902, 3786, 5389, 10727, 10778, 16167, 21454, 32181, 32334, 64362, 200027, 400054, 600081, 1200162, 3400459, 6800918, 10201377, 20402754]

約数ペア:

[(1, 20402754), (2, 10201377), (3, 6800918), (6, 3400459), (17, 1200162), (34, 600081), (51, 400054), (102, 200027), (317, 64362), (631, 32334), (634, 32181), (951, 21454), (1262, 16167), (1893, 10778), (1902, 10727), (3786, 5389)]