20559744

素因数分解:

$2^7\times 3^5\times {\mathrm{661}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 61446840

約数和(自身を除く): 40887096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 648, 661, 864, 972, 1152, 1296, 1322, 1728, 1944, 1983, 2592, 2644, 3456, 3888, 3966, 5184, 5288, 5949, 7776, 7932, 10368, 10576, 11898, 15552, 15864, 17847, 21152, 23796, 31104, 31728, 35694, 42304, 47592, 53541, 63456, 71388, 84608, 95184, 107082, 126912, 142776, 160623, 190368, 214164, 253824, 285552, 321246, 380736, 428328, 571104, 642492, 761472, 856656, 1142208, 1284984, 1713312, 2284416, 2569968, 3426624, 5139936, 6853248, 10279872, 20559744]

約数ペア:

[(1, 20559744), (2, 10279872), (3, 6853248), (4, 5139936), (6, 3426624), (8, 2569968), (9, 2284416), (12, 1713312), (16, 1284984), (18, 1142208), (24, 856656), (27, 761472), (32, 642492), (36, 571104), (48, 428328), (54, 380736), (64, 321246), (72, 285552), (81, 253824), (96, 214164), (108, 190368), (128, 160623), (144, 142776), (162, 126912), (192, 107082), (216, 95184), (243, 84608), (288, 71388), (324, 63456), (384, 53541), (432, 47592), (486, 42304), (576, 35694), (648, 31728), (661, 31104), (864, 23796), (972, 21152), (1152, 17847), (1296, 15864), (1322, 15552), (1728, 11898), (1944, 10576), (1983, 10368), (2592, 7932), (2644, 7776), (3456, 5949), (3888, 5288), (3966, 5184)]