20789568

素因数分解:

$2^6\times 3^3\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 112

約数和(自身を含む): 62544960

約数和(自身を除く): 41755392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 144, 159, 192, 212, 216, 227, 288, 318, 424, 432, 454, 477, 576, 636, 681, 848, 864, 908, 954, 1272, 1362, 1431, 1696, 1728, 1816, 1908, 2043, 2544, 2724, 2862, 3392, 3632, 3816, 4086, 5088, 5448, 5724, 6129, 7264, 7632, 8172, 10176, 10896, 11448, 12031, 12258, 14528, 15264, 16344, 21792, 22896, 24062, 24516, 30528, 32688, 36093, 43584, 45792, 48124, 49032, 65376, 72186, 91584, 96248, 98064, 108279, 130752, 144372, 192496, 196128, 216558, 288744, 324837, 384992, 392256, 433116, 577488, 649674, 769984, 866232, 1154976, 1299348, 1732464, 2309952, 2598696, 3464928, 5197392, 6929856, 10394784, 20789568]

約数ペア:

[(1, 20789568), (2, 10394784), (3, 6929856), (4, 5197392), (6, 3464928), (8, 2598696), (9, 2309952), (12, 1732464), (16, 1299348), (18, 1154976), (24, 866232), (27, 769984), (32, 649674), (36, 577488), (48, 433116), (53, 392256), (54, 384992), (64, 324837), (72, 288744), (96, 216558), (106, 196128), (108, 192496), (144, 144372), (159, 130752), (192, 108279), (212, 98064), (216, 96248), (227, 91584), (288, 72186), (318, 65376), (424, 49032), (432, 48124), (454, 45792), (477, 43584), (576, 36093), (636, 32688), (681, 30528), (848, 24516), (864, 24062), (908, 22896), (954, 21792), (1272, 16344), (1362, 15264), (1431, 14528), (1696, 12258), (1728, 12031), (1816, 11448), (1908, 10896), (2043, 10176), (2544, 8172), (2724, 7632), (2862, 7264), (3392, 6129), (3632, 5724), (3816, 5448), (4086, 5088)]