20565576

素因数分解:

$2^3\times 3^5\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 38402424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 149, 162, 213, 216, 243, 284, 298, 324, 426, 447, 486, 568, 596, 639, 648, 852, 894, 972, 1192, 1278, 1341, 1704, 1788, 1917, 1944, 2556, 2682, 3576, 3834, 4023, 5112, 5364, 5751, 7668, 8046, 10579, 10728, 11502, 12069, 15336, 16092, 17253, 21158, 23004, 24138, 31737, 32184, 34506, 36207, 42316, 46008, 48276, 63474, 69012, 72414, 84632, 95211, 96552, 126948, 138024, 144828, 190422, 253896, 285633, 289656, 380844, 571266, 761688, 856899, 1142532, 1713798, 2285064, 2570697, 3427596, 5141394, 6855192, 10282788, 20565576]

約数ペア:

[(1, 20565576), (2, 10282788), (3, 6855192), (4, 5141394), (6, 3427596), (8, 2570697), (9, 2285064), (12, 1713798), (18, 1142532), (24, 856899), (27, 761688), (36, 571266), (54, 380844), (71, 289656), (72, 285633), (81, 253896), (108, 190422), (142, 144828), (149, 138024), (162, 126948), (213, 96552), (216, 95211), (243, 84632), (284, 72414), (298, 69012), (324, 63474), (426, 48276), (447, 46008), (486, 42316), (568, 36207), (596, 34506), (639, 32184), (648, 31737), (852, 24138), (894, 23004), (972, 21158), (1192, 17253), (1278, 16092), (1341, 15336), (1704, 12069), (1788, 11502), (1917, 10728), (1944, 10579), (2556, 8046), (2682, 7668), (3576, 5751), (3834, 5364), (4023, 5112)]