20976930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17929}}^1$

素因数の和:17955

約数の個数: 48

約数和(自身を含む): 58738680

約数和(自身を除く): 37761750

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17929, 35858, 53787, 89645, 107574, 161361, 179290, 233077, 268935, 322722, 466154, 537870, 699231, 806805, 1165385, 1398462, 1613610, 2097693, 2330770, 3496155, 4195386, 6992310, 10488465, 20976930]

約数ペア:

[(1, 20976930), (2, 10488465), (3, 6992310), (5, 4195386), (6, 3496155), (9, 2330770), (10, 2097693), (13, 1613610), (15, 1398462), (18, 1165385), (26, 806805), (30, 699231), (39, 537870), (45, 466154), (65, 322722), (78, 268935), (90, 233077), (117, 179290), (130, 161361), (195, 107574), (234, 89645), (390, 53787), (585, 35858), (1170, 17929)]