20898592

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4567}}^1$

素因数の和:4601

約数の個数: 48

約数和(自身を含む): 48347712

約数和(自身を除く): 27449120

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4567, 4576, 9134, 18268, 36536, 50237, 59371, 73072, 100474, 118742, 146144, 200948, 237484, 401896, 474968, 653081, 803792, 949936, 1306162, 1607584, 1899872, 2612324, 5224648, 10449296, 20898592]

約数ペア:

[(1, 20898592), (2, 10449296), (4, 5224648), (8, 2612324), (11, 1899872), (13, 1607584), (16, 1306162), (22, 949936), (26, 803792), (32, 653081), (44, 474968), (52, 401896), (88, 237484), (104, 200948), (143, 146144), (176, 118742), (208, 100474), (286, 73072), (352, 59371), (416, 50237), (572, 36536), (1144, 18268), (2288, 9134), (4567, 4576)]