20737528

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7879}}^1$

素因数の和:7939

約数の個数: 32

約数和(自身を含む): 45388800

約数和(自身を除く): 24651272

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7879, 15758, 31516, 55153, 63032, 110306, 220612, 370313, 441224, 740626, 1481252, 2592191, 2962504, 5184382, 10368764, 20737528]

約数ペア:

[(1, 20737528), (2, 10368764), (4, 5184382), (7, 2962504), (8, 2592191), (14, 1481252), (28, 740626), (47, 441224), (56, 370313), (94, 220612), (188, 110306), (329, 63032), (376, 55153), (658, 31516), (1316, 15758), (2632, 7879)]