20308392

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1669}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 59593950

約数和(自身を除く): 39285558

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1669, 2028, 3042, 3338, 4056, 5007, 6084, 6676, 10014, 12168, 13352, 15021, 20028, 21697, 30042, 40056, 43394, 60084, 65091, 86788, 120168, 130182, 173576, 195273, 260364, 282061, 390546, 520728, 564122, 781092, 846183, 1128244, 1562184, 1692366, 2256488, 2538549, 3384732, 5077098, 6769464, 10154196, 20308392]

約数ペア:

[(1, 20308392), (2, 10154196), (3, 6769464), (4, 5077098), (6, 3384732), (8, 2538549), (9, 2256488), (12, 1692366), (13, 1562184), (18, 1128244), (24, 846183), (26, 781092), (36, 564122), (39, 520728), (52, 390546), (72, 282061), (78, 260364), (104, 195273), (117, 173576), (156, 130182), (169, 120168), (234, 86788), (312, 65091), (338, 60084), (468, 43394), (507, 40056), (676, 30042), (936, 21697), (1014, 20028), (1352, 15021), (1521, 13352), (1669, 12168), (2028, 10014), (3042, 6676), (3338, 6084), (4056, 5007)]