20888921358

素因数分解:

$2^1\times 3^4\times {\mathrm{1693}}^1\times {\mathrm{76163}}^1$

素因数の和:77870

約数の個数: 40

約数和(自身を含む): 46834919208

約数和(自身を除く): 25945997850

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1693, 3386, 5079, 10158, 15237, 30474, 45711, 76163, 91422, 137133, 152326, 228489, 274266, 456978, 685467, 1370934, 2056401, 4112802, 6169203, 12338406, 128943959, 257887918, 386831877, 773663754, 1160495631, 2320991262, 3481486893, 6962973786, 10444460679, 20888921358]

約数ペア:

[(1, 20888921358), (2, 10444460679), (3, 6962973786), (6, 3481486893), (9, 2320991262), (18, 1160495631), (27, 773663754), (54, 386831877), (81, 257887918), (162, 128943959), (1693, 12338406), (3386, 6169203), (5079, 4112802), (10158, 2056401), (15237, 1370934), (30474, 685467), (45711, 456978), (76163, 274266), (91422, 228489), (137133, 152326)]