20648784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33091}}^1$

素因数の和:33115

約数の個数: 40

約数和(自身を含む): 57447712

約数和(自身を除く): 36798928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33091, 66182, 99273, 132364, 198546, 264728, 397092, 430183, 529456, 794184, 860366, 1290549, 1588368, 1720732, 2581098, 3441464, 5162196, 6882928, 10324392, 20648784]

約数ペア:

[(1, 20648784), (2, 10324392), (3, 6882928), (4, 5162196), (6, 3441464), (8, 2581098), (12, 1720732), (13, 1588368), (16, 1290549), (24, 860366), (26, 794184), (39, 529456), (48, 430183), (52, 397092), (78, 264728), (104, 198546), (156, 132364), (208, 99273), (312, 66182), (624, 33091)]