20695168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12437}}^1$

素因数の和:12464

約数の個数: 32

約数和(自身を含む): 44403660

約数和(自身を除く): 23708492

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12437, 24874, 49748, 99496, 161681, 198992, 323362, 397984, 646724, 795968, 1293448, 1591936, 2586896, 5173792, 10347584, 20695168]

約数ペア:

[(1, 20695168), (2, 10347584), (4, 5173792), (8, 2586896), (13, 1591936), (16, 1293448), (26, 795968), (32, 646724), (52, 397984), (64, 323362), (104, 198992), (128, 161681), (208, 99496), (416, 49748), (832, 24874), (1664, 12437)]