20743776

素因数分解:

$2^5\times 3^4\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 120

約数和(自身を含む): 62569584

約数和(自身を除く): 41825808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 81, 96, 106, 108, 144, 151, 159, 162, 212, 216, 288, 302, 318, 324, 424, 432, 453, 477, 604, 636, 648, 848, 864, 906, 954, 1208, 1272, 1296, 1359, 1431, 1696, 1812, 1908, 2416, 2544, 2592, 2718, 2862, 3624, 3816, 4077, 4293, 4832, 5088, 5436, 5724, 7248, 7632, 8003, 8154, 8586, 10872, 11448, 12231, 14496, 15264, 16006, 16308, 17172, 21744, 22896, 24009, 24462, 32012, 32616, 34344, 43488, 45792, 48018, 48924, 64024, 65232, 68688, 72027, 96036, 97848, 128048, 130464, 137376, 144054, 192072, 195696, 216081, 256096, 288108, 384144, 391392, 432162, 576216, 648243, 768288, 864324, 1152432, 1296486, 1728648, 2304864, 2592972, 3457296, 5185944, 6914592, 10371888, 20743776]

約数ペア:

[(1, 20743776), (2, 10371888), (3, 6914592), (4, 5185944), (6, 3457296), (8, 2592972), (9, 2304864), (12, 1728648), (16, 1296486), (18, 1152432), (24, 864324), (27, 768288), (32, 648243), (36, 576216), (48, 432162), (53, 391392), (54, 384144), (72, 288108), (81, 256096), (96, 216081), (106, 195696), (108, 192072), (144, 144054), (151, 137376), (159, 130464), (162, 128048), (212, 97848), (216, 96036), (288, 72027), (302, 68688), (318, 65232), (324, 64024), (424, 48924), (432, 48018), (453, 45792), (477, 43488), (604, 34344), (636, 32616), (648, 32012), (848, 24462), (864, 24009), (906, 22896), (954, 21744), (1208, 17172), (1272, 16308), (1296, 16006), (1359, 15264), (1431, 14496), (1696, 12231), (1812, 11448), (1908, 10872), (2416, 8586), (2544, 8154), (2592, 8003), (2718, 7632), (2862, 7248), (3624, 5724), (3816, 5436), (4077, 5088), (4293, 4832)]