20387328

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1055

約数の個数: 80

約数和(自身を含む): 58548336

約数和(自身を除く): 38161008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1021, 1248, 1536, 1664, 2042, 2496, 3063, 3328, 4084, 4992, 6126, 6656, 8168, 9984, 12252, 13273, 16336, 19968, 24504, 26546, 32672, 39819, 49008, 53092, 65344, 79638, 98016, 106184, 130688, 159276, 196032, 212368, 261376, 318552, 392064, 424736, 522752, 637104, 784128, 849472, 1274208, 1568256, 1698944, 2548416, 3397888, 5096832, 6795776, 10193664, 20387328]

約数ペア:

[(1, 20387328), (2, 10193664), (3, 6795776), (4, 5096832), (6, 3397888), (8, 2548416), (12, 1698944), (13, 1568256), (16, 1274208), (24, 849472), (26, 784128), (32, 637104), (39, 522752), (48, 424736), (52, 392064), (64, 318552), (78, 261376), (96, 212368), (104, 196032), (128, 159276), (156, 130688), (192, 106184), (208, 98016), (256, 79638), (312, 65344), (384, 53092), (416, 49008), (512, 39819), (624, 32672), (768, 26546), (832, 24504), (1021, 19968), (1248, 16336), (1536, 13273), (1664, 12252), (2042, 9984), (2496, 8168), (3063, 6656), (3328, 6126), (4084, 4992)]