20777536

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 84

約数和(自身を含む): 47690532

約数和(自身を除く): 26912996

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 113, 136, 169, 208, 221, 226, 272, 338, 416, 442, 452, 544, 676, 832, 884, 904, 1088, 1352, 1469, 1768, 1808, 1921, 2704, 2873, 2938, 3536, 3616, 3842, 5408, 5746, 5876, 7072, 7232, 7684, 10816, 11492, 11752, 14144, 15368, 19097, 22984, 23504, 24973, 30736, 38194, 45968, 47008, 49946, 61472, 76388, 91936, 94016, 99892, 122944, 152776, 183872, 199784, 305552, 324649, 399568, 611104, 649298, 799136, 1222208, 1298596, 1598272, 2597192, 5194384, 10388768, 20777536]

約数ペア:

[(1, 20777536), (2, 10388768), (4, 5194384), (8, 2597192), (13, 1598272), (16, 1298596), (17, 1222208), (26, 799136), (32, 649298), (34, 611104), (52, 399568), (64, 324649), (68, 305552), (104, 199784), (113, 183872), (136, 152776), (169, 122944), (208, 99892), (221, 94016), (226, 91936), (272, 76388), (338, 61472), (416, 49946), (442, 47008), (452, 45968), (544, 38194), (676, 30736), (832, 24973), (884, 23504), (904, 22984), (1088, 19097), (1352, 15368), (1469, 14144), (1768, 11752), (1808, 11492), (1921, 10816), (2704, 7684), (2873, 7232), (2938, 7072), (3536, 5876), (3616, 5746), (3842, 5408)]