20146979372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{243521}}^1$

素因数の和:243618

約数の個数: 48

約数和(自身を含む): 39902540832

約数和(自身を除く): 19755561460

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 74, 86, 148, 172, 481, 559, 962, 1118, 1591, 1924, 2236, 3182, 6364, 20683, 41366, 82732, 243521, 487042, 974084, 3165773, 6331546, 9010277, 10471403, 12663092, 18020554, 20942806, 36041108, 41885612, 117133601, 136128239, 234267202, 272256478, 387441911, 468534404, 544512956, 774883822, 1549767644, 5036744843, 10073489686, 20146979372]

約数ペア:

[(1, 20146979372), (2, 10073489686), (4, 5036744843), (13, 1549767644), (26, 774883822), (37, 544512956), (43, 468534404), (52, 387441911), (74, 272256478), (86, 234267202), (148, 136128239), (172, 117133601), (481, 41885612), (559, 36041108), (962, 20942806), (1118, 18020554), (1591, 12663092), (1924, 10471403), (2236, 9010277), (3182, 6331546), (6364, 3165773), (20683, 974084), (41366, 487042), (82732, 243521)]