20647872

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{569}}^1$

素因数の和:600

約数の個数: 140

約数和(自身を含む): 70073520

約数和(自身を除く): 49425648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 569, 576, 648, 672, 756, 864, 1008, 1134, 1138, 1296, 1344, 1512, 1707, 1728, 2016, 2268, 2276, 2592, 3024, 3414, 3983, 4032, 4536, 4552, 5121, 5184, 6048, 6828, 7966, 9072, 9104, 10242, 11949, 12096, 13656, 15363, 15932, 18144, 18208, 20484, 23898, 27312, 30726, 31864, 35847, 36288, 36416, 40968, 46089, 47796, 54624, 61452, 63728, 71694, 81936, 92178, 95592, 107541, 109248, 122904, 127456, 143388, 163872, 184356, 191184, 215082, 245808, 254912, 286776, 322623, 327744, 368712, 382368, 430164, 491616, 573552, 645246, 737424, 764736, 860328, 983232, 1147104, 1290492, 1474848, 1720656, 2294208, 2580984, 2949696, 3441312, 5161968, 6882624, 10323936, 20647872]

約数ペア:

[(1, 20647872), (2, 10323936), (3, 6882624), (4, 5161968), (6, 3441312), (7, 2949696), (8, 2580984), (9, 2294208), (12, 1720656), (14, 1474848), (16, 1290492), (18, 1147104), (21, 983232), (24, 860328), (27, 764736), (28, 737424), (32, 645246), (36, 573552), (42, 491616), (48, 430164), (54, 382368), (56, 368712), (63, 327744), (64, 322623), (72, 286776), (81, 254912), (84, 245808), (96, 215082), (108, 191184), (112, 184356), (126, 163872), (144, 143388), (162, 127456), (168, 122904), (189, 109248), (192, 107541), (216, 95592), (224, 92178), (252, 81936), (288, 71694), (324, 63728), (336, 61452), (378, 54624), (432, 47796), (448, 46089), (504, 40968), (567, 36416), (569, 36288), (576, 35847), (648, 31864), (672, 30726), (756, 27312), (864, 23898), (1008, 20484), (1134, 18208), (1138, 18144), (1296, 15932), (1344, 15363), (1512, 13656), (1707, 12096), (1728, 11949), (2016, 10242), (2268, 9104), (2276, 9072), (2592, 7966), (3024, 6828), (3414, 6048), (3983, 5184), (4032, 5121), (4536, 4552)]