20235634456

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{3511}}^1$

素因数の和:3800

約数の個数: 64

約数和(自身を含む): 39295065600

約数和(自身を除く): 19059431144

約数列:

[1, 2, 4, 8, 71, 73, 139, 142, 146, 278, 284, 292, 556, 568, 584, 1112, 3511, 5183, 7022, 9869, 10147, 10366, 14044, 19738, 20294, 20732, 28088, 39476, 40588, 41464, 78952, 81176, 249281, 256303, 488029, 498562, 512606, 720437, 976058, 997124, 1025212, 1440874, 1952116, 1994248, 2050424, 2881748, 3904232, 5763496, 18197513, 34650059, 35626117, 36395026, 69300118, 71252234, 72790052, 138600236, 142504468, 145580104, 277200472, 285008936, 2529454307, 5058908614, 10117817228, 20235634456]

約数ペア:

[(1, 20235634456), (2, 10117817228), (4, 5058908614), (8, 2529454307), (71, 285008936), (73, 277200472), (139, 145580104), (142, 142504468), (146, 138600236), (278, 72790052), (284, 71252234), (292, 69300118), (556, 36395026), (568, 35626117), (584, 34650059), (1112, 18197513), (3511, 5763496), (5183, 3904232), (7022, 2881748), (9869, 2050424), (10147, 1994248), (10366, 1952116), (14044, 1440874), (19738, 1025212), (20294, 997124), (20732, 976058), (28088, 720437), (39476, 512606), (40588, 498562), (41464, 488029), (78952, 256303), (81176, 249281)]