20622944

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 42729120

約数和(自身を除く): 22106176

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 71, 116, 142, 232, 284, 313, 464, 568, 626, 928, 1136, 1252, 2059, 2272, 2504, 4118, 5008, 8236, 9077, 10016, 16472, 18154, 22223, 32944, 36308, 44446, 65888, 72616, 88892, 145232, 177784, 290464, 355568, 644467, 711136, 1288934, 2577868, 5155736, 10311472, 20622944]

約数ペア:

[(1, 20622944), (2, 10311472), (4, 5155736), (8, 2577868), (16, 1288934), (29, 711136), (32, 644467), (58, 355568), (71, 290464), (116, 177784), (142, 145232), (232, 88892), (284, 72616), (313, 65888), (464, 44446), (568, 36308), (626, 32944), (928, 22223), (1136, 18154), (1252, 16472), (2059, 10016), (2272, 9077), (2504, 8236), (4118, 5008)]