20218305836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{390707}}^1$

素因数の和:391489

約数の個数: 24

約数和(自身を含む): 37512656496

約数和(自身を除く): 17294350660

約数列:

[1, 2, 4, 17, 34, 68, 761, 1522, 3044, 12937, 25874, 51748, 390707, 781414, 1562828, 6642019, 13284038, 26568076, 297328027, 594656054, 1189312108, 5054576459, 10109152918, 20218305836]

約数ペア:

[(1, 20218305836), (2, 10109152918), (4, 5054576459), (17, 1189312108), (34, 594656054), (68, 297328027), (761, 26568076), (1522, 13284038), (3044, 6642019), (12937, 1562828), (25874, 781414), (51748, 390707)]